US2774685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible felt base covering
Assignee: Congoleum Industries Inc
•
Filing: 1953-09-18
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Granted: 1956-12-18
•
Expires: 1973-09-18
Abstract
No abstract record available.
Inventors
- 👤 Jr David Carnegie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:25
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; D06M15/233; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0042; D06N7/0044; D06N7/006; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31815; Y10T442/00; Y10T442/20; Y10T442/273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A FLEXIBLE HARD-SURFACE COVERING WHICH COMPRIESE A FELT BASE SHEET IMPREGNATED WITH BITUMEN CONSTITUTING NOT MORE THAN ABOUT 85% OF THE KEROSENE VALUE OF THE FELT, A SEAL COAT WHICH IS DIRECTLY ADHERENT TO AND FORMED ON SAID IMPREGNATED FELT AND WHICH CONSISTS ESSENTIALLY SOLELY OF TRICRESYL PHOSPHATE ANL VINYL CHLORIDE POLYMER RESIN IN THE PROPORTION OF ABOUT TWENTY TO ABOUT FIFTY PARTS BY WEIGHT OF SAID TRICRESYL PHOSPHATE TO 100 PARTS BY WEIGHT OF SAID VINYL CHLORIDE POLYMER RESIN, AND A LAYER OF VINYL RESIN COMPOSITION DIRECTLY ADHERENT TO AND FORMED ON SAID SEAL COAT.
Claim 2
Dependent Claim
96 words
A FLEXIBLE HARD-SURFACE COVERING WHICH COMPRIESE A FELT BASE SHEET IMPREGNATED WITH BITUMEN CONSTITUTING NOT MORE THAN ABOUT 85% OF THE KEROSENE VALUE OF THE FELT, A SEAL COAT WHICH IS DIRECTLY ADHERENT TO AND FORMED ON SAID IMPREGNATED FELT AND WHICH CONSISTS ESSENTIALLY SOLELY OF TRICRESYL PHOSPHATE ANL VINYL CHLORIDE POLYMER RESIN IN THE PROPORTION OF ABOUT TWENTY TO ABOUT FIFTY PARTS BY WEIGHT OF SAID TRICRESYL PHOSPHATE TO 100 PARTS BY WEIGHT OF SAID VINYL CHLORIDE POLYMER RESIN, AND A LAYER OF VINYL RESIN COMPOSITION DIRECTLY ADHERENT TO AND FORMED ON SAID SEAL COAT.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |