Patent US4172169A successfully refreshed from Google Patents.
US4172169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor or wall coverings
Assignee: Nairn Floors Ltd
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Filing: 1977-09-22
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Granted: 1979-10-23
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Expires: 1997-09-22
Abstract
Abstract A floor or wall covering is disclosed which comprises a foamed polymeric layer including raised areas separated by recessed areas and a protective layer over the upper surface of the covering and comprising a first non-foamed layer and a second non-foamed layer and in which the second non-foamed layer is discontinuous and leaves part at least of the first non-foamed layer uncovered and has a gloss different from that of the first non-foamed layer or at least one of the first and second non-foamed layers is discontinuous and provides the protective layer with a difference in thickness that imparts a pattern in relief to the said covering.
Inventors
- 👤 Alan Mawson
- 👤 Frederick J. Rigby
- 👤 Brian Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:42
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/18; B32B5/20; B32B27/00; B32B27/06; B32B27/065; B32B3/00; B32B3/10; D; D06; D06N; D06N3/00; D06N3/04; D06N3/06; D06N7/00; D06N7/0005; D06N7/0007; D06N7/0013; D06N7/0028; D06N7/0034; B32B2307/00; B32B2307/40; B32B2307/412; B32B2309/00; B32B2309/08; B32B2309/10; B32B2309/105; B32B2471/00; B32B2607/00; B32B2607/02; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/24521; Y10T428/24554; Y10T428/24612; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249991; Y10T428/249992; Y10T428/26; Y10T428/263; Y10T428/264
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
131 words
A floor or wall covering comprising a foamed polymeric layer including raised areas separated by recessed areas and a protective layer over the upper surface of the covering and comprising a first non-foamed layer and a visible second non-foamed layer above the first layer and in which the second non-foamed layer is discontinuous and leaves part at least of the first non-foamed layer uncovered and has a gloss different from that of the first non-foamed layer, and in which the thickness of the first and second non-foamable layers together is not more than 0.1 mm more than the thickness of the thicker of the non-foamable layers, and the thickness of the raised areas of the foamed polymeric layer is more than 0.1 mm more than the thickness of the recessed areas.
Claim 2
Dependent Claim
131 words
A floor or wall covering comprising a foamed polymeric layer including raised areas separated by recessed areas and a protective layer over the upper surface of the covering and comprising a first non-foamed layer and a visible second non-foamed layer above the first layer and in which the second non-foamed layer is discontinuous and leaves part at least of the first non-foamed layer uncovered and has a gloss different from that of the first non-foamed layer, and in which the thickness of the first and second non-foamable layers together is not more than 0.1 mm more than the thickness of the thicker of the non-foamable layers, and the thickness of the raised areas of the foamed polymeric layer is more than 0.1 mm more than the thickness of the recessed areas.
Claim 3
Dependent Claim
19 words
A covering according to claim 1 in which the second non-foamed layer at least partially overlies the first layer.
Claim 4
Dependent Claim
17 words
A covering according to claim 2, in which the second layer is less than 0.1 mm thick.
Claim 5
Dependent Claim
25 words
A covering according to claim 1 in which the raised areas of the foamed layer are in register with the pattern of differences in gloss.
Claim 6
Dependent Claim
23 words
A covering according to claim 1 in which the second layer that is over the recessed areas is 0.01 to 0.04 mm thick.
Claim 7
Dependent Claim
43 words
A covering according to claim 1 in which the foamed polymeric layer is a layer obtained by printing differently foamable plastisols or different amounts of foamable plastisols or by selectively controlling foaming of areas of a foamable plastisol, and foaming the resultant layer.
Claim 8
Dependent Claim
35 words
A covering according to claim 1 in which the foamed layer is discontinuous and is over a visible decorative layer that serves as part of the protective layer or is visible through the protective layer.
Claim 9
Dependent Claim
44 words
A covering according to claim 1 including a decorative pattern printed between the foamed layer and the protective layer and in which at least one of the non-foamed layers of the protective layer is transparent and parts at least of the pattern are visible.
Claim 10
Dependent Claim
30 words
A covering according to claim 1 wherein the thickness of the non-foamed layers together is 0.05 to 0.1 mm more than the thickness of the thicker of the non-foamed layers.
Claim 11
Dependent Claim
30 words
A covering according to claim 9 wherein the thickness of the raised areas of the foamed layer is 0.1 to 0.3 mm more than the thickness of the recessed areas.
Claim 12
Dependent Claim
16 words
A covering according to claim 1 wherein the protective layer is formed by coating or printed.
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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) | 1982-10-22 | 1983-04-23 | 1983-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-10-22 | 1987-04-23 | 1987-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-10-22 | 1991-04-23 | 1991-10-23 | $7700.00 | Window Closed / Lapsed |