US2980575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient surface covering and process therefor
Assignee: Congoleum Industries Inc
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Filing: 1957-10-18
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Granted: 1961-04-18
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Expires: 1977-10-18
Abstract
No abstract record available.
Inventors
- 👤 Robert K Petry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:28
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/20; D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0047; D06N7/0049; D06N7/006; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T442/00; Y10T442/50; Y10T442/51; Y10T442/54
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
A METHOD OF PRODUCING A DECORATIVE RESILIENT, SMOOTH SURFACE PLASTIC COVERING FOR FLOORS, WALLS AND THE LIKE WHICH COMPRISES APPLYING TO ONE SURFACE OF A FLEXIBLE SHEET OF FELTED FIBERS HAVING A SCOTT TENSILE VALUE OF AT LEAST 50 POUNDS, A BENT SCOTT VALUE OF AT LEAST 35 POUNDS AND A FINCH TEAR VALUE OF AT LEAST 15 POUNDS, A UNIFORM LAYER OF RESILIENT RESINOUS FOAM HAVING A THICKNESS OF LESS THAN 0.1 INCH AND A DENSITY OF 6 TO 30 POUNDS PER CUBIC FOOT, HEATING TO SET SAID FOAM AND ADHESIVELY LAMINATING THE OPPOSITE SURFACE OF SAID FELT SHEET TO THE BACK OF A SECOND FLEXIBLE SHEET OF FELTED FIBERS HAVING ON ITS SURFACE A LAYER OF DECORATIVE AND WEAR RESISTANT PLASTIC COMPOSITION.
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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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |