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Patent US4935294A successfully refreshed from Google Patents.
US4935294A
Expired / Lapsed
US
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Composite sheet material
Assignee: Colgate Palmolive Co
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Filing: 1988-11-17
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Granted: 1990-06-19
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Expires: 2008-11-17
Abstract
Abstract A composite sheet material which yields under non-uniform pressures caused by irregularities of contact between two relatively hard surfaces adapted to provide a more uniform pressure distribution comprising the combination of relatively small granules and relatively small stiff fibers in a matrix of waxy material adhered to a web of flexible material.
Inventors
- 👤 Kenneth W. Misevich
- 👤 Roy R. McGregor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:05
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; A; A43; A43B; A43B17/00; A43B17/14; B32B2255/00; B32B2255/02; B32B2255/26; B32B2305/00; B32B2305/30; B32B2437/00; B32B2437/02; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/252; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2822; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2996; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107; Y10T442/2115
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
54 words
A sheet material which deforms to the shape of non-uniform pressure distribution, comprising: a laminate having a plurality of layers comprising a carrier fabric and a layer of waxy material coated on opposite sides of the carrier fabric, said layer of waxy material having relatively small granules therein, and relatively small stiff fibers therein.
Claim 2
Dependent Claim
54 words
A sheet material which deforms to the shape of non-uniform pressure distribution, comprising: a laminate having a plurality of layers comprising a carrier fabric and a layer of waxy material coated on opposite sides of the carrier fabric, said layer of waxy material having relatively small granules therein, and relatively small stiff fibers therein.
Claim 3
Dependent Claim
13 words
The material of claim 1 wherein the carrier fabric comprises a nonwoven material.
Claim 4
Dependent Claim
13 words
The material of claim 1 wherein the carrier fabric comprises a woven material.
Claim 5
Dependent Claim
13 words
The material of claim 1 wherein the carrier fabric comprises a knitted material.
Claim 6
Dependent Claim
10 words
The material of claim 1 wherein the granules comprise microspheres.
Claim 7
Dependent Claim
10 words
The material of claim 5 wherein the microspheres are hollow.
Claim 8
Dependent Claim
10 words
The material of claim 5 wherein the microspheres comprise glass.
Claim 9
Dependent Claim
10 words
The material of claim 5 wherein the microspheres comprise plastic.
Claim 10
Dependent Claim
16 words
The material of claim 5 wherein the microspheres having a diameter of less than 100 microns.
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) | 1993-06-18 | 1993-12-18 | 1994-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-18 | 1997-12-18 | 1998-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-18 | 2001-12-18 | 2002-06-19 | $7700.00 | Window Closed / Lapsed |