US20030115829A1 - Methods for attaching solid hardwood floor planks to concrete floor surfaces - Google Patents
Methods for attaching solid hardwood floor planks to concrete floor surfaces Download PDFInfo
- Publication number
- US20030115829A1 US20030115829A1 US10/034,446 US3444601A US2003115829A1 US 20030115829 A1 US20030115829 A1 US 20030115829A1 US 3444601 A US3444601 A US 3444601A US 2003115829 A1 US2003115829 A1 US 2003115829A1
- Authority
- US
- United States
- Prior art keywords
- boards
- concrete floor
- floor surface
- hardwood
- floor
- 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.)
- Abandoned
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02005—Construction of joints, e.g. dividing strips
- E04F15/02033—Joints with beveled or recessed upper edges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/0215—Flooring or floor layers composed of a number of similar elements specially adapted for being adhesively fixed to an underlayer; Fastening means therefor; Fixing by means of plastics materials hardening after application
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
- E04F2201/023—Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/04—Other details of tongues or grooves
- E04F2201/042—Other details of tongues or grooves with grooves positioned on the rear-side of the panel
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/07—Joining sheets or plates or panels with connections using a special adhesive material
Definitions
- This invention relates to methods for attaching solid plank hardwood floorboards on a concrete floor surface with no subflooring such as a wood or cork layer between the boards and the concrete floor surface.
- the invention also relates to floors comprising a concrete floor surface with solid plank hardwood floorboards with no wood layer between these boards and the concrete floor surface.
- the invention also relates to such floorboards including one or more of the following: surface-formed, man-made wormholes/nail holes/scratches; under side relief areas; varying thicknesses; and surface treatments such as tung oil treatments.
- These methods comprise preparing, away from the site of installation, solid plank hardwood floorboards for attachment to a concrete floor surface.
- the preparation may comprise applying finishes to the plank hardwood floor boards to cause the boards to appear distressed, worn, worm-holed, nail-holed and/or scratched, as by color shading and/or character stamping the board surfaces; applying to concrete floor surfaces at least one elastomeric, water-resistant/water impermeable adhesive, preferably a moisture-curing polyurethane-based composition comprising a prepolymer comprising polypropylene oxide polyols and toluene diisocyanate, together with alkyl sulfonic ester of phenol, vinyl chloride polymer, calcium carbonate and xylene; placing the prepared solid plank hardwood floor boards on the adhesive-coated concrete floor surface; nailing the solid plank hardwood floor boards to the concrete floor surface through the adhesive layer, preferably filling each nail hole with filler; allowing the adhesive to set; and treating the solid plank hardwood floor board surfaces
- the solid plank hardwood floorboards are preferably made of hardwood or soft wood of various species e.g. maple, pine, oak, or walnut, and are preferably at least about 3 feet in length. In preferred embodiments, these boards have a thickness in the range of about one quarter (1 ⁇ 4) inch to about two (2) inches and a width in the range of about one quarter (1 ⁇ 4) inch to about twenty (20) inches. In preferred embodiments, the solid plank hardwood floor boards are milled to desired size specifications, including the desired lengths, then surface treated e.g. colored, sanded, etc. away from the installation site.
- Some boards may be surface treated to appear distressed, worn, or color shaded, or some combination thereof, and may also be beveled at end and side edges to form rounded or slanted edge profiles.
- some boards include, at their edges, tongues or grooves to improve side-by-side fit.
- the boards may also include back relief, e.g. cutouts, to increase flexibility and to accommodate differences/irregularities in plank dimensions.
- the floorboards may be of varying thickness, and may be placed on a concrete floor surface with boards of greater thickness placed alongside boards of lesser thickness to produce a floor pattern, having slight variations of height from one board to the next. Preferably, these variations of height are up to about one eighth (1 ⁇ 8) inch.
- the floorboards can also have character stamping applied including such features as nail holes, wormholes and scratches. The wormholes and scratches provide places to receive and hide nails or other fasteners.
- the concrete floor surfaces to which the solid plank hardwood floor boards are attached should be prepared to be clean, dry, smooth, and substantially free of voids, projections and loose materials, oils, greases, sealers and other surface contaminants; to be low in surface moisture; and to be substantially flat, preferably no height variance larger than about 0.25 inch over a continuous run (e.g. over 10 feet, no inches) when measured with a level.
- the moisture content of the concrete floor surface should not exceed about 5% by the Tremex Moisture Meter or 6 pounds by the calcium chloride test.
- the solid plank hardwood floorboards prepared away from the concrete floor surface installation site, can then be applied to the prepared concrete floor surface.
- an elastomeric, water resistant/impermeable adhesive is applied to the (preferably prepared) concrete floor surface.
- this elastomeric water resistant adhesive is a moisture-curable polyurethane-based composition, or another adhesive that resists water permeation and that holds the boards firmly to the concrete surface, after the adhesive sets.
- the solid plank hardwood floorboards are then laid on the adhesive coated concrete repaired concrete floor surface. Any adhesive protruding through the floorboards is removed during the installation process.
- the floorboards are preferably nailed to the concrete floor surface.
- the nails are preferably installed at a normal angle to the surface of the hardwood floorboards, and are driven through the floorboards and into the concrete floor surface through the adhesive layer.
- the methods use an air nailer gun that delivers 15 gauge, preferably zinc hardened nails. Examples of such guns are the Grex USA 15 gauge, TS 23 air nailer gun. Examples of the nails are the Model FST 20 and 25, 15 gauge, T-profile, preferably zinc-hardened nails.
- the nails are applied in a random pattern, most preferably 3 inches from each end of each floorboard, and preferably with no more than 3 or 4 nails per board. Random placement of nail holes followed by filling of nail holes, in preferred embodiments, provides a desirable, worm-holed surface appearance.
- the floor surface can then be subjected to additional cleaning, finishing, sanding or polishing.
- the surface of the floorboards is cleaned with mineral spirits so that dirt, grime, impurities and surface adhesive spots are removed.
- the surface of the floor can also be cleaned, e.g. with steel wool, and/or mineral spirits, and treated with washes such as a bleach, water bleed, alcohol bleed, chemically bonding colors and finishes.
- the floor surface can be treated with a sealer, and/or with a color solution called a color bleed.
- a color bleed After sealer and/or bleed coatings have dried, the floor surface can be sanded, and/or treated chemically, one or more times, as, for example, with wood bleach and chemically bonding colors and finishes as desired.
- This invention also relates to floors comprising a concrete floor surface with solid plank hardwood floorboards adhesively attached to the concrete floor surface with no wood layer between these boards and the concrete floor surface.
- the board and concrete floor surfaces are those described above in this specification.
- the methods and products of this invention will provide several advantages. First, because the solid floor board planks are prepared for application to a concrete floor surface away from the installation site, the time required and the costs incurred to install the floor board planks at the installation site is reduced and the time of installation is smaller than the time required where the wood is placed at the site in raw condition, and then finished/treated at this site. Second, the elimination of subflooring, and the cost of installing subflooring, also provide substantial cost savings.
- FIG. 1 is a perspective view of a floor embodiment of this invention.
- FIG. 2 is a side elevation view of the floor embodiment of FIG. 1.
- FIGS. 1 and 2 show floor 10 made in accordance with the methods of this invention.
- Floor 10 includes concrete slab 1 with solid plank hardwood floorboards 2 , 3 , 4 , 5 and others adhesively attached thereto by adhesive layer 12 .
- Planks 2 , 3 , 4 and 5 include cutouts and other relief features 14 and 15 on their bottom surfaces.
- wormholes/nail holes/scratches 6 , 7 , 8 and 9 form sites to receive and hide nails or other fasteners. These nails pass through floorboards 2 , 3 , 4 and 5 , through adhesive layer 12 and into concrete slab 1 .
- All planks include tongues 11 and grooves 40 to interfit the planks side by side.
- the planks include beveled edges 13 that form grooves 16 , 17 , 18 , 19 , 20 and 21 between the planks.
- FIG. 2 shows nails 22 , 23 and 24 hidden in randomly-formed wormholes/scratches 25 , 26 and 27 . These nails 22 , 23 and 24 pass through planks 6 , 7 , 8 and 9 , through adhesive layer 12 and into concrete slab 1 .
Abstract
Methods for attaching solid plank hardwood floor boards to a concrete floor surface with no wood layer between the boards and the concrete floor surfaces yield floors including a concrete floor surface with such floor boards adhesively attached and with no wood layer between the boards and the concrete floor surface.
Description
- This invention relates to methods for attaching solid plank hardwood floorboards on a concrete floor surface with no subflooring such as a wood or cork layer between the boards and the concrete floor surface. The invention also relates to floors comprising a concrete floor surface with solid plank hardwood floorboards with no wood layer between these boards and the concrete floor surface. The invention also relates to such floorboards including one or more of the following: surface-formed, man-made wormholes/nail holes/scratches; under side relief areas; varying thicknesses; and surface treatments such as tung oil treatments.
- These methods comprise preparing, away from the site of installation, solid plank hardwood floorboards for attachment to a concrete floor surface. The preparation may comprise applying finishes to the plank hardwood floor boards to cause the boards to appear distressed, worn, worm-holed, nail-holed and/or scratched, as by color shading and/or character stamping the board surfaces; applying to concrete floor surfaces at least one elastomeric, water-resistant/water impermeable adhesive, preferably a moisture-curing polyurethane-based composition comprising a prepolymer comprising polypropylene oxide polyols and toluene diisocyanate, together with alkyl sulfonic ester of phenol, vinyl chloride polymer, calcium carbonate and xylene; placing the prepared solid plank hardwood floor boards on the adhesive-coated concrete floor surface; nailing the solid plank hardwood floor boards to the concrete floor surface through the adhesive layer, preferably filling each nail hole with filler; allowing the adhesive to set; and treating the solid plank hardwood floor board surfaces with surface finishes, sanding, or other desired finishing steps.
- The solid plank hardwood floorboards are preferably made of hardwood or soft wood of various species e.g. maple, pine, oak, or walnut, and are preferably at least about 3 feet in length. In preferred embodiments, these boards have a thickness in the range of about one quarter (¼) inch to about two (2) inches and a width in the range of about one quarter (¼) inch to about twenty (20) inches. In preferred embodiments, the solid plank hardwood floor boards are milled to desired size specifications, including the desired lengths, then surface treated e.g. colored, sanded, etc. away from the installation site.
- Some boards may be surface treated to appear distressed, worn, or color shaded, or some combination thereof, and may also be beveled at end and side edges to form rounded or slanted edge profiles. In addition, some boards include, at their edges, tongues or grooves to improve side-by-side fit. The boards may also include back relief, e.g. cutouts, to increase flexibility and to accommodate differences/irregularities in plank dimensions.
- In some embodiments, the floorboards may be of varying thickness, and may be placed on a concrete floor surface with boards of greater thickness placed alongside boards of lesser thickness to produce a floor pattern, having slight variations of height from one board to the next. Preferably, these variations of height are up to about one eighth (⅛) inch. In preparation, the floorboards can also have character stamping applied including such features as nail holes, wormholes and scratches. The wormholes and scratches provide places to receive and hide nails or other fasteners.
- The concrete floor surfaces to which the solid plank hardwood floor boards are attached should be prepared to be clean, dry, smooth, and substantially free of voids, projections and loose materials, oils, greases, sealers and other surface contaminants; to be low in surface moisture; and to be substantially flat, preferably no height variance larger than about 0.25 inch over a continuous run (e.g. over 10 feet, no inches) when measured with a level. Preferably, the moisture content of the concrete floor surface should not exceed about 5% by the Tremex Moisture Meter or 6 pounds by the calcium chloride test.
- The solid plank hardwood floorboards, prepared away from the concrete floor surface installation site, can then be applied to the prepared concrete floor surface. To do so, an elastomeric, water resistant/impermeable adhesive is applied to the (preferably prepared) concrete floor surface. Preferably, this elastomeric water resistant adhesive is a moisture-curable polyurethane-based composition, or another adhesive that resists water permeation and that holds the boards firmly to the concrete surface, after the adhesive sets. The solid plank hardwood floorboards are then laid on the adhesive coated concrete repaired concrete floor surface. Any adhesive protruding through the floorboards is removed during the installation process.
- To hold the floorboards to the adhesive-coated concrete floor surface while the adhesive is setting, the floorboards are preferably nailed to the concrete floor surface. The nails are preferably installed at a normal angle to the surface of the hardwood floorboards, and are driven through the floorboards and into the concrete floor surface through the adhesive layer. In preferred embodiments, the methods use an air nailer gun that delivers 15 gauge, preferably zinc hardened nails. Examples of such guns are the Grex USA 15 gauge, TS 23 air nailer gun. Examples of the nails are the Model FST 20 and 25, 15 gauge, T-profile, preferably zinc-hardened nails. In preferred embodiments, the nails are applied in a random pattern, most preferably 3 inches from each end of each floorboard, and preferably with no more than 3 or 4 nails per board. Random placement of nail holes followed by filling of nail holes, in preferred embodiments, provides a desirable, worm-holed surface appearance.
- The floor surface can then be subjected to additional cleaning, finishing, sanding or polishing. In preferred embodiments, the surface of the floorboards is cleaned with mineral spirits so that dirt, grime, impurities and surface adhesive spots are removed. The surface of the floor can also be cleaned, e.g. with steel wool, and/or mineral spirits, and treated with washes such as a bleach, water bleed, alcohol bleed, chemically bonding colors and finishes.
- After the adhesive has dried, the floor surface can be treated with a sealer, and/or with a color solution called a color bleed. After sealer and/or bleed coatings have dried, the floor surface can be sanded, and/or treated chemically, one or more times, as, for example, with wood bleach and chemically bonding colors and finishes as desired.
- This invention also relates to floors comprising a concrete floor surface with solid plank hardwood floorboards adhesively attached to the concrete floor surface with no wood layer between these boards and the concrete floor surface. The board and concrete floor surfaces are those described above in this specification.
- The methods and products of this invention will provide several advantages. First, because the solid floor board planks are prepared for application to a concrete floor surface away from the installation site, the time required and the costs incurred to install the floor board planks at the installation site is reduced and the time of installation is smaller than the time required where the wood is placed at the site in raw condition, and then finished/treated at this site. Second, the elimination of subflooring, and the cost of installing subflooring, also provide substantial cost savings.
- This invention can better be understood by reference to the drawing in which:
- FIG. 1 is a perspective view of a floor embodiment of this invention; and
- FIG. 2 is a side elevation view of the floor embodiment of FIG. 1.
- FIGS. 1 and 2
show floor 10 made in accordance with the methods of this invention.Floor 10 includes concrete slab 1 with solidplank hardwood floorboards adhesive layer 12.Planks scratches floorboards adhesive layer 12 and into concrete slab 1. All planks includetongues 11 andgrooves 40 to interfit the planks side by side. The planks includebeveled edges 13 that formgrooves - FIG. 2 shows
nails scratches nails planks adhesive layer 12 and into concrete slab 1.
Claims (13)
1. Method for attaching solid hardwood floor planks to a concrete floor surface comprises:
preparing, away from the site of installation, solid plank hardwood floorboards for attachment to said concrete floor surface;
applying to said concrete floor surface with at least one water resistant, water impermeable adhesive in sufficient quantity to attach said boards to said surface;
placing the prepared solid plank hardwood floorboards on the adhesive-coated concrete floor surface; and
allowing the adhesive to set.
2. A method of claim 1 wherein said preparing step include applying desired finishes to said boards.
3. The method of claim 1 further comprising preparing said concrete floor surface to be clean, dry, smooth, low in surface moisture, and substantially flat.
4. The method of claim 1 further comprising using boards made of hardwood or soft wood of various species, having a length of at least about 3 feet.
5. A floor comprising a concrete floor surface with solid plank hardwood floor boards adhesively attached thereto with no subflooring between said boards and said concrete floor surface.
6. A floor comprising solid plank hardwood floor boards, said boards including surface-formed wormholes/nail holes/scratches, colors and finishes, or a combination thereof.
7. The floor of claim 5 wherein said boards are of varying thicknesses.
8. The method of claim 1 further comprising, after said placing step, nailing said boards to said concrete floor surface through the adhesive layer.
9. The floor of claim 5 further comprising a plurality of nails that penetrate through said boards and into said concrete floor surface.
10. The method of claim 2 further comprising preparing said concrete floor surface to be clean, dry, smooth, low in surface moisture, and substantially flat.
11. The method of claim 2 further comprising using boards made of hardwood or soft wood of various species, having a length of at least about 3 feet.
12. The floor of claim 6 wherein said boards are of varying thicknesses.
13. The method of claim 2 further comprising, after said placing step, nailing said boards to said concrete floor surface through the adhesive layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/034,446 US20030115829A1 (en) | 2001-12-26 | 2001-12-26 | Methods for attaching solid hardwood floor planks to concrete floor surfaces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/034,446 US20030115829A1 (en) | 2001-12-26 | 2001-12-26 | Methods for attaching solid hardwood floor planks to concrete floor surfaces |
Publications (1)
Publication Number | Publication Date |
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US20030115829A1 true US20030115829A1 (en) | 2003-06-26 |
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ID=21876469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/034,446 Abandoned US20030115829A1 (en) | 2001-12-26 | 2001-12-26 | Methods for attaching solid hardwood floor planks to concrete floor surfaces |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070245663A1 (en) * | 2006-03-31 | 2007-10-25 | Kris Hahn | Flooring profile |
US20070261350A1 (en) * | 2006-05-12 | 2007-11-15 | Kris Hahn | Flooring profile |
US20100251627A1 (en) * | 2007-12-07 | 2010-10-07 | Kay Ronald J | Safety nosing components and manufacturing methods |
CN109653469A (en) * | 2019-01-31 | 2019-04-19 | 广东爱富兰建设有限公司 | The levelling floor construction method of anti-hollowing essence |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1925068A (en) * | 1932-07-11 | 1933-08-29 | Bruce E L Co | Floor |
US2001402A (en) * | 1932-11-04 | 1935-05-14 | Paul R Weitzel | Floor board |
US2088238A (en) * | 1935-06-12 | 1937-07-27 | Harris Mfg Company | Wood flooring |
US2634464A (en) * | 1948-07-23 | 1953-04-14 | Storm Flooring Co Inc | Flooring element |
US3616117A (en) * | 1967-03-29 | 1971-10-26 | Simpson Timber Co | Method of patching plywood panels and the panel produced thereby |
US3740910A (en) * | 1971-11-01 | 1973-06-26 | Merry Co Inc | Simulated brick panels |
US4492064A (en) * | 1981-12-11 | 1985-01-08 | The B. F. Goodrich Company | Insulated roof construction |
US4644720A (en) * | 1984-11-01 | 1987-02-24 | Schneider Raymond H | Hardwood flooring system |
US5403414A (en) * | 1991-09-18 | 1995-04-04 | Corston; Charles | Method and apparatus for construction of flooring to prevent squeaks |
US5549516A (en) * | 1993-07-29 | 1996-08-27 | Heddon; Will | Bowling lane constructions and methods employing compressible foam |
US5570554A (en) * | 1994-05-16 | 1996-11-05 | Fas Industries, Inc. | Interlocking stapled flooring |
US5951796A (en) * | 1997-06-23 | 1999-09-14 | Polyfoam Products, Inc. | Two component polyurethane construction adhesive and method of using same |
US6119423A (en) * | 1998-09-14 | 2000-09-19 | Costantino; John | Apparatus and method for installing hardwood floors |
US6319312B1 (en) * | 1998-11-18 | 2001-11-20 | Advanced Construction Materials Corp. | Strengthened, light weight wallboard and method and apparatus for making the same |
US6539643B1 (en) * | 2000-02-28 | 2003-04-01 | James Hardie Research Pty Limited | Surface groove system for building sheets |
-
2001
- 2001-12-26 US US10/034,446 patent/US20030115829A1/en not_active Abandoned
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1925068A (en) * | 1932-07-11 | 1933-08-29 | Bruce E L Co | Floor |
US2001402A (en) * | 1932-11-04 | 1935-05-14 | Paul R Weitzel | Floor board |
US2088238A (en) * | 1935-06-12 | 1937-07-27 | Harris Mfg Company | Wood flooring |
US2634464A (en) * | 1948-07-23 | 1953-04-14 | Storm Flooring Co Inc | Flooring element |
US3616117A (en) * | 1967-03-29 | 1971-10-26 | Simpson Timber Co | Method of patching plywood panels and the panel produced thereby |
US3740910A (en) * | 1971-11-01 | 1973-06-26 | Merry Co Inc | Simulated brick panels |
US4492064A (en) * | 1981-12-11 | 1985-01-08 | The B. F. Goodrich Company | Insulated roof construction |
US4644720A (en) * | 1984-11-01 | 1987-02-24 | Schneider Raymond H | Hardwood flooring system |
US5403414A (en) * | 1991-09-18 | 1995-04-04 | Corston; Charles | Method and apparatus for construction of flooring to prevent squeaks |
US5549516A (en) * | 1993-07-29 | 1996-08-27 | Heddon; Will | Bowling lane constructions and methods employing compressible foam |
US5570554A (en) * | 1994-05-16 | 1996-11-05 | Fas Industries, Inc. | Interlocking stapled flooring |
US5951796A (en) * | 1997-06-23 | 1999-09-14 | Polyfoam Products, Inc. | Two component polyurethane construction adhesive and method of using same |
US6119423A (en) * | 1998-09-14 | 2000-09-19 | Costantino; John | Apparatus and method for installing hardwood floors |
US6319312B1 (en) * | 1998-11-18 | 2001-11-20 | Advanced Construction Materials Corp. | Strengthened, light weight wallboard and method and apparatus for making the same |
US6539643B1 (en) * | 2000-02-28 | 2003-04-01 | James Hardie Research Pty Limited | Surface groove system for building sheets |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070245663A1 (en) * | 2006-03-31 | 2007-10-25 | Kris Hahn | Flooring profile |
US7926239B2 (en) | 2006-03-31 | 2011-04-19 | Columbia Insurance Company | Flooring profile |
US20070261350A1 (en) * | 2006-05-12 | 2007-11-15 | Kris Hahn | Flooring profile |
US8261507B2 (en) | 2006-05-12 | 2012-09-11 | Columbia Insurance Company | Flooring profile |
US20100251627A1 (en) * | 2007-12-07 | 2010-10-07 | Kay Ronald J | Safety nosing components and manufacturing methods |
CN109653469A (en) * | 2019-01-31 | 2019-04-19 | 广东爱富兰建设有限公司 | The levelling floor construction method of anti-hollowing essence |
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Legal Events
Date | Code | Title | Description |
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AS | Assignment |
Owner name: RICHARD P. MARSHALL FINE FLOORING, INC., CALIFORNI Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SOUTHERN, RICK K.;HIRSCH, RICHARD P.;REEL/FRAME:012876/0944 Effective date: 20020109 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |