Patent US4931356A successfully refreshed from Google Patents.
US4931356A
Expired / Lapsed
US
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Sheet material
Assignee: Colgate Palmolive Co
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Filing: 1988-11-17
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Granted: 1990-06-05
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Expires: 2008-11-17
Abstract
Abstract A 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 cover sheet of flexible material.
Inventors
- 👤 Kenneth W. Misevich
- 👤 Thomas E. Mintel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:42
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/0036; A43B3/0078; A43B3/0084; B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; A43B17/00; A43B17/14; B32B2260/00; B32B2260/02; B32B2260/021; B32B2260/04; B32B2260/046; B32B2307/00; B32B2307/70; B32B2307/724; B32B2307/7242; B32B2307/726; B32B2307/7265; B32B2437/00; B32B2437/02; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/25; Y10T428/252; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2996; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/159; Y10T442/60; Y10T442/659; Y10T442/673
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
42 words
A sheet material which deforms to the shape of non-uniform pressure distribution, comprising: a single consolidated web comprising a fluid imprevious cover sheet adhered to a batt of fibrous material having small granules dispersed therein and bonded together in a waxy material.
Claim 2
Dependent Claim
42 words
A sheet material which deforms to the shape of non-uniform pressure distribution, comprising: a single consolidated web comprising a fluid imprevious cover sheet adhered to a batt of fibrous material having small granules dispersed therein and bonded together in a waxy material.
Claim 3
Dependent Claim
10 words
The material of claim 1 wherein the granules comprise microspheres.
Claim 4
Dependent Claim
10 words
The material of claim 2 wherein the microspheres are hollow.
Claim 5
Dependent Claim
10 words
The material of claim 2 wherein the microspheres comprise glass.
Claim 6
Dependent Claim
10 words
The material of claim 2 wherein the microspheres comprise plastic.
Claim 7
Dependent Claim
16 words
The material of claim 2 wherein the microspheres have a diameter of less than 100 microns.
Claim 8
Dependent Claim
21 words
A sheet material, comprising: a batt of fibrous material having small granules dispersed therein and bonded together in a waxy material.
Claim 9
Dependent Claim
21 words
A sheet material, comprising: a batt of fibrous material having small granules dispersed therein and bonded together in a waxy material.
Claim 10
Dependent Claim
10 words
The material of claim 7 wherein the granules comprise microspheres.
Claim 11
Dependent Claim
10 words
The material of claim 8 wherein the microspheres are hollow.
Claim 12
Dependent Claim
10 words
The material of claim 8 wherein the microspheres comprises glass.
Claim 13
Dependent Claim
10 words
The material of claim 8 wherein the microspheres comprise plastic.
Claim 14
Dependent Claim
16 words
The material of claim 8 wherein the microspheres have a diameter of less than 100 microns.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-06-04 | 1993-12-04 | 1994-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-04 | 1997-12-04 | 1998-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-04 | 2001-12-04 | 2002-06-05 | $7700.00 | Window Closed / Lapsed |