Patent US2918702A successfully refreshed from Google Patents.
US2918702A
Expired / Lapsed
US
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Method of producing resilient plastic surface covering
Assignee: Congoleum Industries Inc
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Filing: 1957-11-18
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Granted: 1959-12-29
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Expires: 1977-11-18
Abstract
No abstract record available.
Inventors
- 👤 Paul C Wetterau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:48
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0007; D06N7/0013; B; B29; B29C; B29C65/00; B29C65/02; B29C65/10; B29C65/14; B29C65/1403; B29C65/1412; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/4865; B29C66/00; B29C66/70; B29C66/71; B29C66/73; B29C66/739; B29C66/7392; D06N3/00; D06N3/0086; D06N3/0095; B29C66/80; B29C66/83; B29C66/836; Y; Y10; Y10S; Y10S264/00; Y10S264/60; Y10S524/00; Y10S524/914; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249991; Y10T428/249992; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A METHOD OF PRODUCING A DECORATIVE PLASTIC SURFACE COVERING HAVING A DECORATIVE LAYER INTEGRALLY BONDED TO A FOAMED BACKING LAYER, SAID DECORATIVE LAYER HAVING A WRINKLED TEXTURED SURFACE, WHICH COMPRISES APPLYING TO A SMOOTH FLAT NON-POROUS CARRIER A UNIFROM LAYER OF A LIQUID FOAMABLE VINYL CHLORIDE POLYMER PLASTISOL COMPOITION, SAID PLASTISOL COMPOSITN COMPRISING 50 TO 150 PARTS PLASTICIZER AND ABOUT 1 TO ABPUT 20 PARTS OF A BLOWING AGENT PER 100 PARTS OF VINYL CHLORIDE POLYMER, HEATING SAID PLASTISOL COMPOSITION APPLIED TO SAID CARRIER TO A TEMPERATURE SUFFICIENT TO GEL SAID PLASTISOL BUT BELOW THE DECOMPOSITION TEMPERATURE OF SAID BLOWING AGENT, APPLYING TO SAID GELLED PLASTISOL COMPOSITION A UNIFORM DECORATIVE LAYER OF A THERMOPLASTIC RESINOUS COMPOSITION COMPATIBLE WITH SAID PLASTISOL COMPOSITION, HEATING THE COMPOSITE LAYERS TO A TEMPERATURE SUFFICIENT TO FUSE SAID ATIVE LAYER, INVERTING SAID COMPOSITE LAYERS SO THAT USED DECORATIVE LAYER RESTS ON SAID NON-POROUS CARDECOMPOSING SAID BLOWING AGENT BY HEATING SAID LED COMPOSITE LAYERS TO EXPAND SAID PLASTISOL AND SAID LAYERS TOGETHER, AND STRIPPING SAID DECORATIVE C SURFACE COVERING HAVING A WRINKLED TEXTURED SUR-RFROM SAID CARRIER.
Claim 2
Independent Claim
179 words
A METHOD OF PRODUCING A DECORATIVE PLASTIC SURFACE COVERING HAVING A DECORATIVE LAYER INTEGRALLY BONDED TO A FOAMED BACKING LAYER, SAID DECORATIVE LAYER HAVING A WRINKLED TEXTURED SURFACE, WHICH COMPRISES APPLYING TO A SMOOTH FLAT NON-POROUS CARRIER A UNIFROM LAYER OF A LIQUID FOAMABLE VINYL CHLORIDE POLYMER PLASTISOL COMPOITION, SAID PLASTISOL COMPOSITN COMPRISING 50 TO 150 PARTS PLASTICIZER AND ABOUT 1 TO ABPUT 20 PARTS OF A BLOWING AGENT PER 100 PARTS OF VINYL CHLORIDE POLYMER, HEATING SAID PLASTISOL COMPOSITION APPLIED TO SAID CARRIER TO A TEMPERATURE SUFFICIENT TO GEL SAID PLASTISOL BUT BELOW THE DECOMPOSITION TEMPERATURE OF SAID BLOWING AGENT, APPLYING TO SAID GELLED PLASTISOL COMPOSITION A UNIFORM DECORATIVE LAYER OF A THERMOPLASTIC RESINOUS COMPOSITION COMPATIBLE WITH SAID PLASTISOL COMPOSITION, HEATING THE COMPOSITE LAYERS TO A TEMPERATURE SUFFICIENT TO FUSE SAID ATIVE LAYER, INVERTING SAID COMPOSITE LAYERS SO THAT USED DECORATIVE LAYER RESTS ON SAID NON-POROUS CARDECOMPOSING SAID BLOWING AGENT BY HEATING SAID LED COMPOSITE LAYERS TO EXPAND SAID PLASTISOL AND SAID LAYERS TOGETHER, AND STRIPPING SAID DECORATIVE C SURFACE COVERING HAVING A WRINKLED TEXTURED SUR-RFROM SAID CARRIER.
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) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |