US2981010A - Air-filled sandals - Google Patents

Air-filled sandals Download PDF

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US2981010A
US2981010A US29023A US2902360A US2981010A US 2981010 A US2981010 A US 2981010A US 29023 A US29023 A US 29023A US 2902360 A US2902360 A US 2902360A US 2981010 A US2981010 A US 2981010A
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air
sole
heel
hollow
footwear
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US29023A
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Aaskov Helmer
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/203—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with a pump or valve
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/10—Low shoes, e.g. comprising only a front strap; Slippers
    • A43B3/101—Slippers, e.g. flip-flops or thong sandals

Definitions

  • AIR-FILLED SANDALS Helmer Aaskov, 8053 S. Orange Ave., Fresno, Calif. Filed May 13, .1960, Ser. No. 29,023.
  • This invention relates to footwear articles, and more particularly to footwear of the cushioned type.
  • the main object of the invention is to provide a novel and improved article of footwear having an inflatable sole and inflatable additional portions, said article being simple in construction, being attractive in appearance, and being comfortable to wear.
  • a further object of the invention is to provide. an improved article of footwear of the cushioned type, said article being inexpensive to manufacture, being durable in construction, and being closely fitted to the users foot because of its yieldable qualities.
  • Figure l is a perspective view of a typical article of footwear'according to the present invention in the ,form of a sandal, shown on the foot of a user.
  • Figure 2 is a top plan view of the sandal of Figure 1.
  • Figure 3 is a longitudinal vertical cross sectional view taken substantially on the line 3-3 of Figure 2.
  • Figure 4 is a transverse vertical cross sectional view taken substantially on the line 4- 4 of Figure 3.
  • Figure 5 is a horizontal cross sectional view taken substantially on the line 55 of Figure 3.
  • Figure 6 is a bottom view of the sandal of Figures 1 to 5.
  • Figure 7 is a side elevational view, partly in cross section, of a modified form of cushioned sandal according to the present invention, the sandal being provided with a removable inflatable sole member.
  • Figure 8 is a side elevational view, partly in cross section, of the form 'of the invention shown in Figure 7, with the inflatable sole member detached from the main I body of the sandal..
  • the sole portion'13 is hollow, and is provided at its rear edge with an air valve 16 whereby it may be inflated with air.
  • the cavity of the sole portion includes a plurality of longitudinally extending flexible partitions 17 formed with uniformly spaced apertures 18, the apertured partitions 17 defining side-by-side compartments which are in communication with each other through the apertures 18.
  • Sole portion 13 is provided on its bottom wall with a plurality of longitudinally extending depending ribs 20 which extend for the major portion of the length of said sole portion, as shown in Figure 6, and which are substantially uniformly spaced laterally.
  • the ribs 20 serve as nited States Patent a traction elements and provide gripping engagement of the sandal with the ground so as to insure safe footing on various types of surfaces, for example, on smooth pavement, wooden deck surfaces, or the like.
  • the upper 14 is also hollow and is provided at the intermediate portion of its top edge with an air valve 22 for independently inflating the upper with air.
  • the cavity tion with each other, as in the case of the hollow sole member 13.
  • the heel-receiving member .15 is hollow and is provided at'the intermediate portion of its top edge with an air valve 25 for independently inflating said heel.- receiving portion with air.
  • the cavity of the heel-re.- ceiving portion 15 is provided with a plurality of spaced partition walls 26, each partition wall 26 being formed with a plurality of uniformly spaced apertures 27 to establish air communication between the compartments -28 defined in the heel-receiving portion 15 by the walls
  • the apertured partitions 26 of the heel-receiving portion 15 provide even distributionof air through the hollow heel-receiving portion '15; The same function is performed by the apertured partitions of the upper 14,.
  • the heel-receiving portion 15 is concaved inwardly and overlies the rear portion of the sole member 13, Whereas the upper 14 overlies the for ward portion of the sole member 13.
  • the members 14 and 15 respectively receive the forward and rear portions of the wearers foot and secure the sandal thereto, preventing the sole member 13 from disengaging from the foot. Since the various portions of the sandal are inflated with air, said portions are yieldable and conform to the shape of the wearers foot, providing agood fit and providing suflicient yieldability to insure comfort at all times.
  • top wall of the sole member 13 is molded to provide a cavity conforming generally to the shape of the sole of a wearers foot, so that the wearers foot will fit snugly on the top wall of sole member 13 with the forward portion of the foot received under the upper member 14- and the heel of the foot received within the heel-receiving portion 15.
  • the sandal is designated generally at 11 and comprises a main body formed of rubber, or similar flexible resilient material provided at its forward end with an inflatable upper 14 and at its rear end with an inflatable heel-receiving portion 15, similar to the corresponding elements illustrated in Figures 1 to 6.
  • the main body 11' is provided with the inflatable insole portion 13 which is provided with an air valve at an edge thereof, shown at 16', so that the insole portion 13 may be inflated with air.
  • the upper 14 and the heelreceivin-g portion 15 are likewise provided with air valves similar to those illustrated in Figure 3.
  • the insole portion 13 is further provided with the longitudinally apertured partition walls 17 similar to the apertured wall '17 of the previously described form of the invention.
  • the upper 14 and the heel-receiving portion 15 are likewise provided with longitudinally extending apertured partition walls similar to the partition walls 24 and 26 previously described.
  • Designated at 30 is a detachable hollow outsolc which is formed of flexible resilient material, such as rubber or the like, and which is provided with an air valve 31 at the intermediate portion of its rear edge for inflating same.
  • the outsole 30 is provided with a plurality of longitudinally extending apertured spaced partition walls 32 defining respective adjacent compartments which are in communication with each other through the apertures 33 of the partition walls 32, providing uniform distribution of the air in the cavity of the outsole.
  • the top wall of the. outsole 30 is provided with a plurality of upwardly flaring anchor lugs 34 which are formed integral with said topwall and which are lockingly engageable in inwardly diverging recesses 35 formed in the bottom wall of the insole member 13'.
  • the lugs 34 are lockingly receivable in the recesses 35 and normally secure the outsole 30 to the bottom wall of the insole member 13.
  • the outsole member 30 which may have become Worn or marred, or otherwise may have been rendered unsuitable for further service, may be detached, and a new outsole may be substituted 'in place thereon
  • the outsole it is merely necessary to deflate the insole member 13 and the outsole 30,'whereby these members contract, and whereby the members are made more readily yieldable with respect to each other, so that the lugs 34 may be more easily extracted from the recesses 35.
  • the pressure of the air in the members cooperates with the recesses 35 to provide a gripping action on the lugs 34 and to lock the outsole 30 to the bottom wall of the insole member 13'.
  • the apertured partition walls in the various hollow elements of the footwear article described in either of the modifications specifically disclosed herein provide a means for limiting the free movement of air from one portion of the hollow element to the other to an extent assuring substantially uniform distribu' tion of the air in the respective inflated elements of the footwear article at all times.
  • the longitudinal cellu- -lar construction of the various portions of the footwear article insures substantial free flexibility in a longitudinal direction, but limits free flexing in a lateral direction to some extent by preventing too rapid displacement of air from one side of the member to the other. This provides an improved cushioning action which greatly contributes to improved wearing comfort.
  • An article of footwear comprising a main body of resilient flexible material shaped to receive a wearers 'foot, said main body comprising a hollow sole portion, a concave hollow upper portion at the forward end of said sole portion and-sealed therefrom, and a concave hollow heel-receiving portion at the rear end of said sole portion and sealed therefrom, said hollow portions being each provided with a plurality of spaced apertured internal partition Walls, and respective air valves in the edges of said sole portion, upper portion, and heel-receiving portion, whereby said portion may be independently inflated with air.
  • An article of footwear comprising a main body of resilient flexible material shaped to receive a wearers foot, and main body comprising a hollow sole portion, a concave hollow upper portion at the forward end of said sole portion and sealed therefrom, and a concave hollow heel-receiving portion at the rear end of said sole portion and sealed therefrom, said hollow portions being each provided with a plurality of spaced apertured internal longitudinal partition walls, and respective air valves in the edges of said sole portion, upper portion and heel-re ceiving portion, where said portions may be independently inflated with air.

Description

April 25, 1961 sKov 2,981,010
AIR-FILLED SANDALS Filed May 15, 1960 2 Sheets-Sheet 1 24 I I 1)), I I I Q0 A 43 WW 421%,
April 25, 1961 H. AASKOV 2,981,010
AIR-FILLED SANDALS Filed May 13, 1960 2 Sheets-Sheet 2 FIG. 6.
AIR-FILLED SANDALS Helmer Aaskov, 8053 S. Orange Ave., Fresno, Calif. Filed May 13, .1960, Ser. No. 29,023.
2 c aims. or. 36-115) This invention relates to footwear articles, and more particularly to footwear of the cushioned type.
The main object of the invention is to provide a novel and improved article of footwear having an inflatable sole and inflatable additional portions, said article being simple in construction, being attractive in appearance, and being comfortable to wear.
A further object of the invention is to provide. an improved article of footwear of the cushioned type, said article being inexpensive to manufacture, being durable in construction, and being closely fitted to the users foot because of its yieldable qualities.
Further objects and advantages of the invention will become apparent from the following description and claims, and from the accompanying drawings, wherein:
Figure l is a perspective view of a typical article of footwear'according to the present invention in the ,form of a sandal, shown on the foot of a user.
Figure 2 is a top plan view of the sandal of Figure 1.
Figure 3 is a longitudinal vertical cross sectional view taken substantially on the line 3-3 of Figure 2. j
Figure 4 is a transverse vertical cross sectional view taken substantially on the line 4- 4 of Figure 3.
Figure 5 is a horizontal cross sectional view taken substantially on the line 55 of Figure 3.
Figure 6 is a bottom view of the sandal of Figures 1 to 5.
Figure 7 is a side elevational view, partly in cross section, of a modified form of cushioned sandal according to the present invention, the sandal being provided with a removable inflatable sole member.
Figure 8 is a side elevational view, partly in cross section, of the form 'of the invention shown in Figure 7, with the inflatable sole member detached from the main I body of the sandal..
forward end of the sole portion and a concave heel-receiving member 15 at the rear end of the sole portion 13. The sole portion'13 is hollow, and is provided at its rear edge with an air valve 16 whereby it may be inflated with air. To provide substantially uniform distribution of the air through the hollow sole portion, the cavity of the sole portion includes a plurality of longitudinally extending flexible partitions 17 formed with uniformly spaced apertures 18, the apertured partitions 17 defining side-by-side compartments which are in communication with each other through the apertures 18.
Sole portion 13 is provided on its bottom wall with a plurality of longitudinally extending depending ribs 20 which extend for the major portion of the length of said sole portion, as shown in Figure 6, and which are substantially uniformly spaced laterally. The ribs 20 serve as nited States Patent a traction elements and provide gripping engagement of the sandal with the ground so as to insure safe footing on various types of surfaces, for example, on smooth pavement, wooden deck surfaces, or the like.
The upper 14 is also hollow and is provided at the intermediate portion of its top edge with an air valve 22 for independently inflating the upper with air. The cavity tion with each other, as in the case of the hollow sole member 13.
Similarly, the heel-receiving member .15 is hollow and is provided at'the intermediate portion of its top edge with an air valve 25 for independently inflating said heel.- receiving portion with air. The cavity of the heel-re.- ceiving portion 15 is provided with a plurality of spaced partition walls 26, each partition wall 26 being formed with a plurality of uniformly spaced apertures 27 to establish air communication between the compartments -28 defined in the heel-receiving portion 15 by the walls As in the case of the apertured partitions 17 of the sole member 13, the apertured partitions 26 of the heel-receiving portion 15 provide even distributionof air through the hollow heel-receiving portion '15; The same function is performed by the apertured partitions of the upper 14,.
It will be noted that the heel-receiving portion 15 is concaved inwardly and overlies the rear portion of the sole member 13, Whereas the upper 14 overlies the for ward portion of the sole member 13. The members 14 and 15 respectively receive the forward and rear portions of the wearers foot and secure the sandal thereto, preventing the sole member 13 from disengaging from the foot. Since the various portions of the sandal are inflated with air, said portions are yieldable and conform to the shape of the wearers foot, providing agood fit and providing suflicient yieldability to insure comfort at all times.
It will be noted that the top wall of the sole member 13 is molded to provide a cavity conforming generally to the shape of the sole of a wearers foot, so that the wearers foot will fit snugly on the top wall of sole member 13 with the forward portion of the foot received under the upper member 14- and the heel of the foot received within the heel-receiving portion 15.
Referring now to the form of the invention shown in Figures 7 and 8, the sandal is designated generally at 11 and comprises a main body formed of rubber, or similar flexible resilient material provided at its forward end with an inflatable upper 14 and at its rear end with an inflatable heel-receiving portion 15, similar to the corresponding elements illustrated in Figures 1 to 6. The main body 11' is provided with the inflatable insole portion 13 which is provided with an air valve at an edge thereof, shown at 16', so that the insole portion 13 may be inflated with air. The upper 14 and the heelreceivin-g portion 15 are likewise provided with air valves similar to those illustrated in Figure 3. The insole portion 13 is further provided with the longitudinally apertured partition walls 17 similar to the apertured wall '17 of the previously described form of the invention. The upper 14 and the heel-receiving portion 15 are likewise provided with longitudinally extending apertured partition walls similar to the partition walls 24 and 26 previously described.
Designated at 30 is a detachable hollow outsolc which is formed of flexible resilient material, such as rubber or the like, and which is provided with an air valve 31 at the intermediate portion of its rear edge for inflating same. The outsole 30 is provided with a plurality of longitudinally extending apertured spaced partition walls 32 defining respective adjacent compartments which are in communication with each other through the apertures 33 of the partition walls 32, providing uniform distribution of the air in the cavity of the outsole. The top wall of the. outsole 30 is provided with a plurality of upwardly flaring anchor lugs 34 which are formed integral with said topwall and which are lockingly engageable in inwardly diverging recesses 35 formed in the bottom wall of the insole member 13'. The lugs 34 are lockingly receivable in the recesses 35 and normally secure the outsole 30 to the bottom wall of the insole member 13.
After a period of extended use, the outsole member 30, which may have become Worn or marred, or otherwise may have been rendered unsuitable for further service, may be detached, and a new outsole may be substituted 'in place thereon To detach the outsole, it is merely necessary to deflate the insole member 13 and the outsole 30,'whereby these members contract, and whereby the members are made more readily yieldable with respect to each other, so that the lugs 34 may be more easily extracted from the recesses 35. When the members are inhated, the pressure of the air in the members cooperates with the recesses 35 to provide a gripping action on the lugs 34 and to lock the outsole 30 to the bottom wall of the insole member 13'.
It will be noted that the apertured partition walls in the various hollow elements of the footwear article described in either of the modifications specifically disclosed herein provide a means for limiting the free movement of air from one portion of the hollow element to the other to an extent assuring substantially uniform distribu' tion of the air in the respective inflated elements of the footwear article at all times. Thus, the longitudinal cellu- -lar construction of the various portions of the footwear article insures substantial free flexibility in a longitudinal direction, but limits free flexing in a lateral direction to some extent by preventing too rapid displacement of air from one side of the member to the other. This provides an improved cushioning action which greatly contributes to improved wearing comfort.
While certain specific embodiments of an improved article of footwear have been disclosed in the foregoing description, it will be understood that various modifications within the spirit of the invention may occur to those skilled in the art. Therefore, it is intended that no limitations be placed on the invention except as defined by the scope of the appended claims.
What is claimed is:
1. An article of footwear comprising a main body of resilient flexible material shaped to receive a wearers 'foot, said main body comprising a hollow sole portion, a concave hollow upper portion at the forward end of said sole portion and-sealed therefrom, and a concave hollow heel-receiving portion at the rear end of said sole portion and sealed therefrom, said hollow portions being each provided with a plurality of spaced apertured internal partition Walls, and respective air valves in the edges of said sole portion, upper portion, and heel-receiving portion, whereby said portion may be independently inflated with air.
2. An article of footwear comprising a main body of resilient flexible material shaped to receive a wearers foot, and main body comprising a hollow sole portion, a concave hollow upper portion at the forward end of said sole portion and sealed therefrom, and a concave hollow heel-receiving portion at the rear end of said sole portion and sealed therefrom, said hollow portions being each provided with a plurality of spaced apertured internal longitudinal partition walls, and respective air valves in the edges of said sole portion, upper portion and heel-re ceiving portion, where said portions may be independently inflated with air.
References Cited in the file of this patent UNITED STATES PATENTS 1,304,915 Spinney May 27, 1919 1,639,381 Manelas Aug. 16, 1927 2,237,190 Mcleod Apr. 1, 1941 2,545,062 Whittington Mar. 13,' 1951 2,741,038 Eliassen Apr. 10, 1956 L w M:-
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Cited By (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279102A (en) * 1964-03-19 1966-10-18 Sr Douglas W Seeber Play footwear
US3469576A (en) * 1966-10-05 1969-09-30 Henry M Smith Footwear
US3878626A (en) * 1971-05-18 1975-04-22 Isman Claude Roger Detachable soles
US4016662A (en) * 1976-08-03 1977-04-12 Charles Thompson Shoe construction
FR2452259A1 (en) * 1979-03-29 1980-10-24 Gauthier Georges Moulded shoe with semi-rigid sole - having integral walls at heel and toe, and flaps covering upper front part
US4462171A (en) * 1982-05-28 1984-07-31 Whispell Louis J Inflatable sole construction
US4753022A (en) * 1987-04-27 1988-06-28 Gasbarro Mark A Sandal sole
US4829682A (en) * 1987-04-27 1989-05-16 Gasbarro Mark A Sandal sole
US5155865A (en) * 1991-04-23 1992-10-20 Lisco, Inc. Inflatable bladders for game gloves
US5155864A (en) * 1991-04-23 1992-10-20 Lisco, Inc. Inflatable bladders for game gloves
US5155866A (en) * 1991-04-23 1992-10-20 Lisco, Inc. Inflatable game gloves
US5325614A (en) * 1992-03-31 1994-07-05 Rosen Henri E Adjustable fit shoe construction
US5343638A (en) * 1992-01-31 1994-09-06 Reebok International Ltd. Upper for an athletic shoe and method for manufacturing the same
US5561919A (en) * 1992-08-27 1996-10-08 Gill; Yoram Sandal having independenty adjustable straps
US6195914B1 (en) * 1999-07-13 2001-03-06 E.S. Originals, Inc. Shoe with adjustable upper
US20020166257A1 (en) * 2001-04-19 2002-11-14 Wilkinson William T. Slip-on shoe
US6557274B2 (en) 1991-08-21 2003-05-06 Paul E. Litchfield Athletic shoe construction
US20030182820A1 (en) * 2003-03-19 2003-10-02 Fuerst Rory W. Toe protection sandal
US6785985B2 (en) 2002-07-02 2004-09-07 Reebok International Ltd. Shoe having an inflatable bladder
US20050028404A1 (en) * 2002-07-02 2005-02-10 William Marvin Shoe having an inflatable bladder
US20050060914A1 (en) * 2003-07-22 2005-03-24 Fuerst Rory W. Footwear having an enclosed and articulated toe
US20050268492A1 (en) * 2004-06-08 2005-12-08 Fuerst Rory W Footwear with multi-piece midsole
US20060185195A1 (en) * 2006-05-08 2006-08-24 Weisner Andrea P Roll-up, compressible shoe
US20070000605A1 (en) * 2005-07-01 2007-01-04 Frank Millette Method for manufacturing inflatable footwear or bladders for use in inflatable articles
US20070046804A1 (en) * 2005-08-30 2007-03-01 Olympus Corporation Image capturing apparatus and image display apparatus
US7383648B1 (en) 2004-02-23 2008-06-10 Reebok International Ltd. Inflatable support system for an article of footwear
US7448150B1 (en) 2004-02-26 2008-11-11 Reebok International Ltd. Insert with variable cushioning and support and article of footwear containing same
US20090095358A1 (en) * 2006-12-20 2009-04-16 Brian Christensen Configurable Fluid Transfer Manifold for Inflatable Footwear
US20090235557A1 (en) * 2006-12-13 2009-09-24 Reebok International Ltd. Article of Footwear Having an Adjustable Ride
US20090272009A1 (en) * 2006-05-08 2009-11-05 Andrea Padilla Weisner Roll-Up Shoe
US7694438B1 (en) 2006-12-13 2010-04-13 Reebok International Ltd. Article of footwear having an adjustable ride
US7784196B1 (en) 2006-12-13 2010-08-31 Reebok International Ltd. Article of footwear having an inflatable ground engaging surface
US7934521B1 (en) 2006-12-20 2011-05-03 Reebok International, Ltd. Configurable fluid transfer manifold for inflatable footwear
US8037623B2 (en) 2001-06-21 2011-10-18 Nike, Inc. Article of footwear incorporating a fluid system
US8414275B1 (en) 2007-01-11 2013-04-09 Reebok International Limited Pump and valve combination for an article of footwear incorporating an inflatable bladder
US8572786B2 (en) 2010-10-12 2013-11-05 Reebok International Limited Method for manufacturing inflatable bladders for use in footwear and other articles of manufacture
US8677652B2 (en) 2002-07-02 2014-03-25 Reebok International Ltd. Shoe having an inflatable bladder
US8869431B2 (en) 2010-08-23 2014-10-28 Vito Dimatteo Sandal with pneumatic support
US20150128450A1 (en) * 2013-11-11 2015-05-14 Alistair Fronhoffs Open shoe comprising a textile layer and means of fixation
US9468252B2 (en) 2010-08-23 2016-10-18 Vito E. Dimatteo Sandal with pneumatic support
USD841953S1 (en) * 2018-02-06 2019-03-05 Anatomic Research, Inc. Footwear sole
US20220071349A1 (en) * 2018-01-31 2022-03-10 Nike, Inc. Sole structure for article of footwear

Citations (5)

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Publication number Priority date Publication date Assignee Title
US1304915A (en) * 1918-07-31 1919-05-27 Burton A Spinney Pneumatic insole.
US1639381A (en) * 1926-11-29 1927-08-16 Manelas George Pneumatic shoe sole
US2237190A (en) * 1939-06-06 1941-04-01 Mcleod Angus Inner sole
US2545062A (en) * 1948-02-20 1951-03-13 Paul E Whittington Ventilating insole
US2741038A (en) * 1952-07-23 1956-04-10 Eliassen Per Air conditioned footwear

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1304915A (en) * 1918-07-31 1919-05-27 Burton A Spinney Pneumatic insole.
US1639381A (en) * 1926-11-29 1927-08-16 Manelas George Pneumatic shoe sole
US2237190A (en) * 1939-06-06 1941-04-01 Mcleod Angus Inner sole
US2545062A (en) * 1948-02-20 1951-03-13 Paul E Whittington Ventilating insole
US2741038A (en) * 1952-07-23 1956-04-10 Eliassen Per Air conditioned footwear

Cited By (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279102A (en) * 1964-03-19 1966-10-18 Sr Douglas W Seeber Play footwear
US3469576A (en) * 1966-10-05 1969-09-30 Henry M Smith Footwear
US3878626A (en) * 1971-05-18 1975-04-22 Isman Claude Roger Detachable soles
US4016662A (en) * 1976-08-03 1977-04-12 Charles Thompson Shoe construction
FR2452259A1 (en) * 1979-03-29 1980-10-24 Gauthier Georges Moulded shoe with semi-rigid sole - having integral walls at heel and toe, and flaps covering upper front part
US4462171A (en) * 1982-05-28 1984-07-31 Whispell Louis J Inflatable sole construction
US4753022A (en) * 1987-04-27 1988-06-28 Gasbarro Mark A Sandal sole
US4829682A (en) * 1987-04-27 1989-05-16 Gasbarro Mark A Sandal sole
US5155866A (en) * 1991-04-23 1992-10-20 Lisco, Inc. Inflatable game gloves
US5155864A (en) * 1991-04-23 1992-10-20 Lisco, Inc. Inflatable bladders for game gloves
US5423088A (en) * 1991-04-23 1995-06-13 Lisco, Inc. Inflatable game gloves
US5155865A (en) * 1991-04-23 1992-10-20 Lisco, Inc. Inflatable bladders for game gloves
US6557274B2 (en) 1991-08-21 2003-05-06 Paul E. Litchfield Athletic shoe construction
US5343638A (en) * 1992-01-31 1994-09-06 Reebok International Ltd. Upper for an athletic shoe and method for manufacturing the same
US5325614A (en) * 1992-03-31 1994-07-05 Rosen Henri E Adjustable fit shoe construction
US5561919A (en) * 1992-08-27 1996-10-08 Gill; Yoram Sandal having independenty adjustable straps
US6195914B1 (en) * 1999-07-13 2001-03-06 E.S. Originals, Inc. Shoe with adjustable upper
US6877252B2 (en) * 2001-04-19 2005-04-12 William T. Wilkinson Slip-on shoe
US20020166257A1 (en) * 2001-04-19 2002-11-14 Wilkinson William T. Slip-on shoe
US8037623B2 (en) 2001-06-21 2011-10-18 Nike, Inc. Article of footwear incorporating a fluid system
US20040211084A1 (en) * 2002-07-02 2004-10-28 William Marvin Shoe having an inflatable bladder
US9474323B2 (en) 2002-07-02 2016-10-25 Reebok International Limited Shoe having an inflatable bladder
US10251450B2 (en) * 2002-07-02 2019-04-09 Reebok International Limited Shoe having an inflatable bladder
US7721465B2 (en) * 2002-07-02 2010-05-25 Reebok International Ltd. Shoe having an inflatable bladder
US20050144810A1 (en) * 2002-07-02 2005-07-07 William Marvin Shoe having an inflatable bladder
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