US2920977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular surface coverings having an embossed appearance
Assignee: Armstrong World Industries Inc
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Filing: 1956-04-19
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Granted: 1960-01-12
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Expires: 1976-04-19
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:52
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0007; D06N7/0013; Y; Y10; Y10S; Y10S264/00; Y10S264/60; Y10S264/82; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/2457; Y10T428/24595; Y10T428/24802; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249988
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF MAKING A SURFACE COVERING HAVING A CELLULAR VINYL LAYER PRESENTING AN EMBOSSED APPEARANCE AND A SUPPORTING LAYER THEREFOR, WHICH METHOD COMPRISES PRINTING A PLURALITY OF POLYVINYL HALIDE COMPOSITIONS IN A DESIGN ON A SUPPORTING LAYER TO COMPLETELY COVER SAID SHEET, AT LEAST ONT OF SAID COMPOSITIONS BEING A FOAMABLE COMPOSITION COMPRISING POLYVINYL HALIDE RESIN, PLASTICIZER, AND A BLOWING AGENT, AND THEREAFTER HEATING SAID COMPOSITIONS TO DECOMPOSE SAID BLOWING AGENT AND FUSE SAID POLYVINYL HALIDE WHEREBY AT LEAST ONE OF SAID COMPOSITIONS PRINTED IN SAID DESIGN POSSESSES A THICKNESS DIFFERENT FROM OTHER PRINTED COMPOSITIONS IN SAID DESIGN.
Claim 2
Independent Claim
99 words
THE METHOD OF MAKING A SURFACE COVERING HAVING A CELLULAR VINYL LAYER PRESENTING AN EMBOSSED APPEARANCE AND A SUPPORTING LAYER THEREFOR, WHICH METHOD COMPRISES PRINTING A PLURALITY OF POLYVINYL HALIDE COMPOSITIONS IN A DESIGN ON A SUPPORTING LAYER TO COMPLETELY COVER SAID SHEET, AT LEAST ONT OF SAID COMPOSITIONS BEING A FOAMABLE COMPOSITION COMPRISING POLYVINYL HALIDE RESIN, PLASTICIZER, AND A BLOWING AGENT, AND THEREAFTER HEATING SAID COMPOSITIONS TO DECOMPOSE SAID BLOWING AGENT AND FUSE SAID POLYVINYL HALIDE WHEREBY AT LEAST ONE OF SAID COMPOSITIONS PRINTED IN SAID DESIGN POSSESSES A THICKNESS DIFFERENT FROM OTHER PRINTED COMPOSITIONS IN SAID DESIGN.
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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |