US5111544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover with elastic top and frictional bottom for a cushion
Assignee: ROBERT H GRAEBE REVOCABLE TRUST
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Filing: 1991-07-01
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Granted: 1992-05-12
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Expires: 2011-07-01
Abstract
Abstract A cover, which fits over a cushion, has a top panel formed from a highly elastic fabric and bottom panel formed from a high friction mesh. The top panel easily conforms to the shape of the user's buttocks with exerting shear on the skin. The bottom panel stabilizes the cushion on a supporting surface by reason of substantial friction between it and the supporting surface.
Inventors
- 👤 Robert H. Graebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:22
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/021; Y; Y10; Y10S; Y10S5/00; Y10S5/925
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
219 words
In combination with a cellular cushion having a rectangular base and air cells projecting upwardly from the base to form an array of air cells in which the upper ends of the cells form a seating surface that will conform to the shape of a user's buttocks, a cover fitted over the cushion and comprising: (a) a top panel located over the upper ends of the cells and being formed from a highly elastic fabric; (b) a bottom panel located under the rectangular base and covering substantially the entire base, said bottom panel being formed from a high friction mesh, said mesh being flexible and having parallel ribs and thinner connecting segments extended between the ribs; (c) side panels located between and connected to the top and bottom panels at the peripheral margins of the top and bottom panels, said side panels being formed from a highly flexible but substantially non-elastic fabric, one of the side panels being divided into sections which are normally joined, but may be detached to permit the cover to be removed from or fitted over the cushion; and (d) the coefficient of friction between the mesh of the bottom panel and traditional cusion-supporting surfaces being substantially greater than the coefficient of friction between the side panels or top panel and such traditional cushion-supporting surfaces.
Claim 2
Dependent Claim
219 words
In combination with a cellular cushion having a rectangular base and air cells projecting upwardly from the base to form an array of air cells in which the upper ends of the cells form a seating surface that will conform to the shape of a user's buttocks, a cover fitted over the cushion and comprising: (a) a top panel located over the upper ends of the cells and being formed from a highly elastic fabric; (b) a bottom panel located under the rectangular base and covering substantially the entire base, said bottom panel being formed from a high friction mesh, said mesh being flexible and having parallel ribs and thinner connecting segments extended between the ribs; (c) side panels located between and connected to the top and bottom panels at the peripheral margins of the top and bottom panels, said side panels being formed from a highly flexible but substantially non-elastic fabric, one of the side panels being divided into sections which are normally joined, but may be detached to permit the cover to be removed from or fitted over the cushion; and (d) the coefficient of friction between the mesh of the bottom panel and traditional cusion-supporting surfaces being substantially greater than the coefficient of friction between the side panels or top panel and such traditional cushion-supporting surfaces.
Claim 3
Dependent Claim
19 words
The combination of claim 1 including a closable pocket formed on the outside of one of the side panels.
Claim 4
Dependent Claim
59 words
The combination of claim 2 when the pocket includes a short panel atttached to the outside of said side panel and stitched thereto along the bottom and side edges with a free top edge, and cooperating fastener means positioned on the said side panel and the top edge of the short panel to close the top of said pocket.
Claim 5
Dependent Claim
13 words
The combination of claim 3 wherein the fastener means is Velcro fastening material.
Claim 6
Dependent Claim
37 words
The combination of claim 1 wherein the side panel and the bottom panel are disconnected at the corners and the corners of the bottom panel are removed to allow access to the corners of the cellular cushion.
Claim 7
Dependent Claim
15 words
The combination of claim 1 wherein the bottom panel mesh is coated with polyvinyl chloride.
Claim 8
Dependent Claim
17 words
The combination of claim 1 wherein the one side panel sections are joined by a zipper arrangement.
Claim 9
Dependent Claim
171 words
A cover for a cushion comprising: (a) a top panel positionable over the upper side of the cushion and formed from a highly elastic fabric; (b) a bottom panel positionable under the cushion and covering substantially the entire underside of the cushion, said bottom panel being formed from a high friction mesh, said mesh being flexible and having parallel ribs and thinner connecting segments extended between the ribs; (c) side panels located between and connected to the top and bottom panels at the peripheral margins of the top and bottom panels, said side panels being formed from a highly flexible but substantially non-elastic fabric, one of the side panels being divided into sections which are normally joined, but may be detached to permit the cover to be removed from or fitted over the cushion; and (d) the coefficient of friction between the mesh of the bottom panel and traditional cushion-supporting surfaces being substantially greater than the coefficient of friction between the side panels or top panel and such traditional cushion-supporting surfaces.
Claim 10
Dependent Claim
171 words
A cover for a cushion comprising: (a) a top panel positionable over the upper side of the cushion and formed from a highly elastic fabric; (b) a bottom panel positionable under the cushion and covering substantially the entire underside of the cushion, said bottom panel being formed from a high friction mesh, said mesh being flexible and having parallel ribs and thinner connecting segments extended between the ribs; (c) side panels located between and connected to the top and bottom panels at the peripheral margins of the top and bottom panels, said side panels being formed from a highly flexible but substantially non-elastic fabric, one of the side panels being divided into sections which are normally joined, but may be detached to permit the cover to be removed from or fitted over the cushion; and (d) the coefficient of friction between the mesh of the bottom panel and traditional cushion-supporting surfaces being substantially greater than the coefficient of friction between the side panels or top panel and such traditional cushion-supporting surfaces.
Claim 11
Dependent Claim
19 words
The cover of claim 8 including a closable pocket formed on the outside of one of the side panels.
Claim 12
Dependent Claim
59 words
The cover of claim 9 when the pocket includes a short panel attached to the outside of said side panel and stitched thereto along the bottom and side edges with a free top edge, and cooperating fastener means positioned on the said side panel and the top edge of the short panel to close the top of said pocket.
Claim 13
Dependent Claim
13 words
The cover of claim 10 wherein the fastener means is Velcro fastening material.
Claim 14
Dependent Claim
36 words
The cover of claim 8 wherein the side panel and the bottom panel are disconnected at the corners and the corners of the bottom panel are removed to allow access to the corners of the cushion.
Claim 15
Dependent Claim
15 words
The cover of claim 8 wherein the bottom panel mesh is coated with polyvinyl chloride.
Claim 16
Dependent Claim
17 words
The cover of claim 8 wherein the one side panel sections are joined by a zipper arrangement.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-05-12 | 1995-11-11 | 1996-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-05-12 | 1999-11-11 | 2000-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-05-12 | 2003-11-11 | 2004-05-12 | $7700.00 | Window Closed / Lapsed |