CA2133021A1 - Convertible upright carpet extractor - Google Patents
Convertible upright carpet extractorInfo
- Publication number
- CA2133021A1 CA2133021A1 CA002133021A CA2133021A CA2133021A1 CA 2133021 A1 CA2133021 A1 CA 2133021A1 CA 002133021 A CA002133021 A CA 002133021A CA 2133021 A CA2133021 A CA 2133021A CA 2133021 A1 CA2133021 A1 CA 2133021A1
- Authority
- CA
- Canada
- Prior art keywords
- cleaning
- upholstery
- extractor
- cleaning mode
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
- A47L11/4055—Movement of the tools or the like perpendicular to the cleaning surface for lifting the tools to a non-working position
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/02—Floor surfacing or polishing machines
- A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4044—Vacuuming or pick-up tools; Squeegees
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4061—Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4088—Supply pumps; Spraying devices; Supply conduits
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
- A47L5/32—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with means for connecting a hose
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
- A47L7/0009—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners with means mounted on the nozzle; nozzles specially adapted for the recovery of liquid
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
- A47L7/0023—Recovery tanks
- A47L7/0028—Security means, e.g. float valves or level switches for preventing overflow
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
- A47L7/0023—Recovery tanks
- A47L7/0038—Recovery tanks with means for emptying the tanks
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
- A47L7/0042—Gaskets; Sealing means
Abstract
A novel upright carpet cleaning extractor is disclosed which may be conveniently converted from the floor cleaning mode to the upholstery and/or stair cleaning mode. The overall configuration and operation of the extractor is similar to that of a typical upright vacuum cleaner and may be operated in the forward or reverse direction similar to a typical upright vacuum cleaner. When in the floor cleaning mode, cleaning solution is supplied to a solution distributor by gravity flow. However, when converted to the upholstery cleaning mode an auxiliary, air turbine driven cleaning solution pump is automatically energized for supplying pressurized cleaning solution to an upholstery or stair cleaning nozzle.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/182,723 | 1994-01-14 | ||
US08/182,723 US5493752A (en) | 1994-01-14 | 1994-01-14 | Upright carpet and upholstery extractor |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2133021A1 true CA2133021A1 (en) | 1995-07-15 |
CA2133021C CA2133021C (en) | 2001-08-28 |
Family
ID=22669735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002133021A Expired - Fee Related CA2133021C (en) | 1994-01-14 | 1994-09-27 | Convertible upright carpet extractor |
Country Status (5)
Country | Link |
---|---|
US (3) | US5493752A (en) |
AU (1) | AU1019095A (en) |
CA (1) | CA2133021C (en) |
DE (1) | DE19500877A1 (en) |
GB (1) | GB2285572B (en) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5669098A (en) * | 1994-07-15 | 1997-09-23 | Tono; Gianni | Floor cleaning machine with an additional fluid nozzle with connector and suction by-pass |
GB2334433B (en) * | 1995-08-11 | 2000-02-23 | Hoover Co | Carpet extractor |
US5860188A (en) * | 1995-08-11 | 1999-01-19 | The Hoover Company | Carpet extractor |
US6041472A (en) * | 1995-11-06 | 2000-03-28 | Bissell Homecare, Inc. | Upright water extraction cleaning machine |
US6167587B1 (en) | 1997-07-09 | 2001-01-02 | Bissell Homecare, Inc. | Upright extraction cleaning machine |
USD421164S (en) * | 1996-01-17 | 2000-02-22 | White Consolidated Industries, Inc. | Wet extractor vacuum cleaner |
US5887313A (en) * | 1996-01-18 | 1999-03-30 | White Consolidated Industries, Inc. | Reservoir assembly for wet extractor system |
US5784755A (en) * | 1996-01-18 | 1998-07-28 | White Consolidated Industries, Inc. | Wet extractor system |
GB2344279B (en) * | 1996-05-03 | 2000-07-26 | Hoover Co | Compact carpet and upholstery extractor |
US6101671A (en) * | 1996-06-07 | 2000-08-15 | Royal Appliance Mfg. Co. | Wet mop and vacuum assembly |
US5983448A (en) * | 1996-06-07 | 1999-11-16 | Royal Appliance Mfg. Co. | Cordless wet mop and vacuum assembly |
US6065182A (en) * | 1996-06-07 | 2000-05-23 | Royal Appliance Mfg. Co. | Cordless wet mop and vacuum assembly |
WO1997049324A2 (en) * | 1996-06-26 | 1997-12-31 | Matsushita Home Appliance Corporation Of America | Extractor with twin, counterrotating agitators |
US5983442A (en) * | 1997-06-06 | 1999-11-16 | The Hoover Company | Carpet extractor with automatic conversion |
US6438793B1 (en) | 1997-07-09 | 2002-08-27 | Bissell Homecare, Inc. | Upright extraction cleaning machine |
USRE39304E1 (en) * | 1997-07-09 | 2006-09-26 | Bissell Homecare, Inc. | Upright extraction cleaning machine |
US5920953A (en) * | 1997-07-21 | 1999-07-13 | Windsor Industries, Inc. | Carpet and upholstery cleaner/extractor |
US6206980B1 (en) | 1997-11-13 | 2001-03-27 | Kaivac, Inc. | Multi-functional cleaning machine |
USD406928S (en) * | 1997-12-03 | 1999-03-16 | Matsushita Home Appliance Corporation Of America | Upright extractor |
US6219880B1 (en) | 1998-09-17 | 2001-04-24 | Pullman-Holt Corporation | Vacuum cleaner |
US6145159A (en) | 1999-01-08 | 2000-11-14 | Royal Appliance Mfg. Co. | Combination dirty fluid tank and nozzle for a carpet extractor |
USD431098S (en) * | 1999-01-08 | 2000-09-19 | Royal Appliance Mfg. Co. | Carpet cleaning extractor dirty fluid tank |
US6154917A (en) | 1999-01-08 | 2000-12-05 | Royal Appliance Mfg. Co. | Carpet extractor housing |
US6073300A (en) * | 1999-01-08 | 2000-06-13 | Royal Appliance Mfg. Co. | Valve assembly for carpet extractor |
US6368373B1 (en) * | 1999-06-04 | 2002-04-09 | The Hoover Company | Air and liquid separator for a carpet extractor |
USD431887S (en) * | 1999-06-04 | 2000-10-10 | The Hoover Company | Carpet extractor lower portion |
US6247202B1 (en) * | 1999-06-04 | 2001-06-19 | The Hoover Company | Carpet extractor fluid supply system |
US6185781B1 (en) * | 1999-06-24 | 2001-02-13 | The Hoover Company | Hand scrub tool with interchangeable scrub drives |
US6353964B1 (en) | 2000-01-24 | 2002-03-12 | The Scott Fetzer Company | Cleaning attachment for vacuum cleaner |
US6658693B1 (en) * | 2000-10-12 | 2003-12-09 | Bissell Homecare, Inc. | Hand-held extraction cleaner with turbine-driven brush |
KR100406639B1 (en) * | 2001-01-11 | 2003-11-21 | 삼성광주전자 주식회사 | Upright typed vacuum cleaner |
US6533871B2 (en) * | 2001-01-12 | 2003-03-18 | Royal Appliance Mfg. Co. | Carpet extractor with dual nozzles for dual brushrolls |
US6832409B2 (en) | 2001-09-18 | 2004-12-21 | The Hoover Company | Wet/dry floor cleaning unit and method of cleaning |
WO2005032735A2 (en) | 2003-09-29 | 2005-04-14 | Electrolux Home Care Products, Ltd. | Floor cleaning device |
US20050081898A1 (en) * | 2003-10-15 | 2005-04-21 | Steve Williams | All purpose cleaning machine |
US7533439B2 (en) * | 2004-06-25 | 2009-05-19 | Healthy Gain Investments Limited | Handle assembly for a cleaning apparatus |
US7367083B2 (en) * | 2004-06-25 | 2008-05-06 | Healthy Gain Investments, Ltd. | Suction nozzle assembly for a cleaning apparatus |
US7340797B2 (en) * | 2004-06-25 | 2008-03-11 | The Hoover Company | Recovery tank for a cleaning apparatus |
CA2510660A1 (en) * | 2004-06-25 | 2005-12-25 | The Hoover Company | Handle assembly for a cleaning apparatus |
GB2441674B (en) * | 2004-06-25 | 2009-01-07 | Hoover Co | Cleaning Apparatus |
US7987552B2 (en) * | 2004-11-17 | 2011-08-02 | Techtronic Floor Care Technology Limited | Floor care appliance with a plurality of cleaning modes |
US7421759B2 (en) * | 2004-12-03 | 2008-09-09 | Northland Products, Inc. | Vacuum extraction apparatus for cleaning a surface |
US7222389B2 (en) * | 2005-01-11 | 2007-05-29 | The Hoover Company | Recovery tank for a floor cleaning device |
GB2449391B (en) * | 2005-02-17 | 2009-04-22 | Bissell Homecare Inc | Surface cleaning apparatus with cleaning fluid supply |
GB2424174B (en) * | 2005-03-18 | 2008-07-23 | Bissell Homecare Inc | Spot Cleaning Apparatus |
US7757340B2 (en) * | 2005-03-25 | 2010-07-20 | S.C. Johnson & Son, Inc. | Soft-surface remediation device and method of using same |
US20060272120A1 (en) * | 2005-06-01 | 2006-12-07 | Kenneth Barrick | Extraction cleaner |
US20060288516A1 (en) * | 2005-06-23 | 2006-12-28 | Sawalski Michael M | Handheld mechanical soft-surface remediation (SSR) device and method of using same |
US20060288495A1 (en) * | 2005-06-28 | 2006-12-28 | Sawalski Michael M | System for and method of soft surface remediation |
US8555463B1 (en) * | 2006-04-18 | 2013-10-15 | Kim E. Laube | Grooming tool with vacuum collection |
DE102007029258A1 (en) * | 2007-06-15 | 2008-12-18 | Alfred Kärcher Gmbh & Co. Kg | Floor cleaning device |
DE102009001753A1 (en) | 2009-03-23 | 2010-10-07 | BSH Bosch und Siemens Hausgeräte GmbH | Flap valve for controlling transport of liquids in pipe of vacuum cleaner, has flap for opening and closing valve opening with fixed section and movable section |
IT1400220B1 (en) * | 2009-03-27 | 2013-05-24 | Santoemma S R L | SPRAY AND SUCTION CLEANING MACHINE IN PARTICULAR FOR REDUCED DIMENSIONS |
KR100931642B1 (en) * | 2009-07-14 | 2009-12-14 | (주)성심 | Cyclone dust collector |
US8677554B2 (en) * | 2010-03-12 | 2014-03-25 | G.B.D. Corp. | Valve for a surface cleaning apparatus |
US8635740B2 (en) | 2010-09-01 | 2014-01-28 | Techtronic Floor Care Technology Limited | Flow control of an extractor cleaning machine |
US8887347B2 (en) | 2010-09-01 | 2014-11-18 | Techtronic Floor Care Technology Limited | Conversion mechanism for switching extractor cleaning machine from floor cleaning to hose cleaning |
GB2496340B (en) * | 2010-09-01 | 2015-07-15 | Techtronic Floor Care Tech Ltd | Tank tray for an extractor cleaning machine |
US8370991B2 (en) | 2010-09-01 | 2013-02-12 | Techtronic Floor Care Technology Limited | Supply tank assembly for an extractor cleaning machine |
USD673155S1 (en) * | 2011-06-16 | 2012-12-25 | Pfu Limited | Scanner |
WO2013033514A1 (en) | 2011-09-02 | 2013-03-07 | Techtronic Floor Care Technology Limited | Supply tank for an extractor cleaning machine |
US9474424B2 (en) | 2012-06-01 | 2016-10-25 | Bissell Homecare, Inc. | Surface cleaning apparatus |
US20140115816A1 (en) * | 2012-10-26 | 2014-05-01 | Sapphire Scientific Inc. | Rotary surface cleaning tool including tools suitable for cleaning carpets, and associated systems and methods |
USD876037S1 (en) * | 2017-11-16 | 2020-02-18 | Tti (Macao Commercial Offshore) Limited | Floor cleaner |
CN107581979B (en) * | 2017-11-02 | 2018-12-18 | 新昌县以琳环保科技有限公司 | A kind of clean robot |
USD857319S1 (en) * | 2017-11-09 | 2019-08-20 | Rug Doctor, LLC | Cleaning fluid tank |
CN108451451B (en) * | 2018-03-28 | 2020-12-01 | 灵璧县浩翔信息科技有限公司 | Cleaning agent spraying device for mopping robot |
EP3787465B1 (en) | 2018-09-21 | 2023-09-13 | Techtronic Floor Care Technology Limited | Portable extractor |
EP4051071B1 (en) | 2019-10-31 | 2023-12-27 | Techtronic Floor Care Technology Limited | Separator configuration for a floor cleaner |
AU2022291569A1 (en) | 2022-01-10 | 2023-07-27 | Bissell Inc. | Surface cleaning apparatus with steam |
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US2003350A (en) * | 1933-10-13 | 1935-06-04 | Chicago Pump Co | Pump |
US2149453A (en) * | 1936-10-08 | 1939-03-07 | Reconstruction Finance Corp | Vacuum scrubber |
US2333829A (en) * | 1941-03-01 | 1943-11-09 | Merrill H Terry | Scrubbing attachment for portable vacuum-type floor sweepers |
US2390196A (en) * | 1942-12-05 | 1945-12-04 | Westinghouse Electric Corp | Suction cleaning apparatus |
US2622254A (en) * | 1947-11-18 | 1952-12-23 | Mendelson Charles | Portable and manually operable apparatus for the cleaning and/or finishing of carpeted or uncarpeted floors |
US2653546A (en) * | 1949-11-03 | 1953-09-29 | Jr Alfred S Marlow | Self-priming pump |
NL107127C (en) * | 1957-06-28 | |||
US3139034A (en) * | 1961-06-17 | 1964-06-30 | Amirault Maxime | Impeller for centrifugal pump |
NL282775A (en) * | 1961-09-05 | 1900-01-01 | ||
NL6402050A (en) * | 1964-02-29 | 1965-08-30 | ||
US3392418A (en) * | 1966-08-08 | 1968-07-16 | Von Schrader Mfg Company | Dry foam type carpet shampooing machine |
US3663985A (en) * | 1970-07-15 | 1972-05-23 | Scott & Fetzer Co | Floor scrubbing machine |
US3797065A (en) * | 1971-10-29 | 1974-03-19 | Chem Specialties Mfg Corp | Integrated foam extracting and rotary scrubbing machine |
US3790987A (en) * | 1972-10-20 | 1974-02-12 | Scott & Fetzer Co | Drive means for vacuum cleaner |
US3974541A (en) * | 1973-11-01 | 1976-08-17 | Silvis Donahue B | Apparatus for cleaning a floor cover |
US3968938A (en) * | 1974-09-10 | 1976-07-13 | Lambert Corporation | System for handling debris |
DE2642912C3 (en) * | 1976-09-24 | 1979-03-15 | Klaus 8011 Anzing Jaehrling | Universal cleaning device for textiles |
US4167800A (en) * | 1977-03-28 | 1979-09-18 | Herbert Tribolet | Unitary wet and dry vacuum cleaner |
JPS54131358A (en) * | 1978-03-31 | 1979-10-12 | Matsushita Electric Ind Co Ltd | Carpet washing machine |
US4268935A (en) * | 1978-07-03 | 1981-05-26 | Clarke-Gravely Corporation | Carpet cleaning machine |
US4314385A (en) * | 1980-06-26 | 1982-02-09 | Wln Products | Carpet cleaning system |
US4458377A (en) * | 1981-11-12 | 1984-07-10 | Whirlpool Corporation | Wet carpet cleaning apparatus |
US4549328A (en) * | 1983-07-13 | 1985-10-29 | Whirlpool Corporation | Convertible vacuum and powder carpet cleaner |
US4558484A (en) * | 1984-03-02 | 1985-12-17 | Regina Corporation | Tank unit for cleaning devices |
US4610047A (en) * | 1985-04-11 | 1986-09-09 | The Scott & Fetzer Company | Vacuum cleaner of interchangeable attachment type |
US4809397A (en) * | 1986-01-21 | 1989-03-07 | Edic | Rug and carpet cleaner |
US4893375A (en) * | 1989-03-17 | 1990-01-16 | Hako Minuteman, Inc. | Dual mode floor scrubbing machine |
DE69006827T2 (en) * | 1989-12-01 | 1994-06-01 | William Hendrick Williams | Wet-dry vacuum cleaner. |
KR920004078Y1 (en) * | 1990-05-16 | 1992-06-20 | 삼성전자 주식회사 | An electric vacuum cleaner |
-
1994
- 1994-01-14 US US08/182,723 patent/US5493752A/en not_active Expired - Lifetime
- 1994-09-27 CA CA002133021A patent/CA2133021C/en not_active Expired - Fee Related
-
1995
- 1995-01-05 GB GB9500165A patent/GB2285572B/en not_active Expired - Lifetime
- 1995-01-13 DE DE19500877A patent/DE19500877A1/en not_active Withdrawn
- 1995-01-13 AU AU10190/95A patent/AU1019095A/en not_active Abandoned
-
1996
- 1996-02-23 US US08/606,055 patent/US5615448A/en not_active Expired - Lifetime
-
1997
- 1997-02-24 US US08/806,226 patent/US6138322A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2133021C (en) | 2001-08-28 |
GB2285572B (en) | 1997-06-25 |
GB9500165D0 (en) | 1995-03-01 |
US5615448A (en) | 1997-04-01 |
US5493752A (en) | 1996-02-27 |
AU1019095A (en) | 1995-07-27 |
DE19500877A1 (en) | 1995-07-20 |
US6138322A (en) | 2000-10-31 |
GB2285572A (en) | 1995-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |