US3025185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat stable coated fabric comprising wholly aromatic polyamide fabric coated with copolymer of vinylidene fluoride and hexafluoropropene
Assignee: EIDP Inc
•
Filing: 1957-08-21
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Granted: 1962-03-13
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Expires: 1977-08-21
Abstract
No abstract record available.
Inventors
- 👤 Webster R Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:27
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2713; Y10T442/2861; Y10T442/2893; Y10T442/2902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A HEAT STABLE COATED FABRIC COMPRISING A WHOLLY AROMATIC POLYAMIDE FABRIC HAVING A COATING CONSISTING ESSENTIALLY OF A CURED COPOLYMER CONTAINING ABOUT 30 TO 70% BY WEIGHT OF VINYLIDENE FLUORIDE AND ABOUT 70 TO 30% BY WEIGHT OF HEXAFLUOROPROPENE, THE AROMATIC POLYAMIDE OF SAID FABRIC BEING A POLYMER CHARACTERIZED BY THE RECURRING STRUCTURAL UNIT
Claim 2
Dependent Claim
54 words
A HEAT STABLE COATED FABRIC COMPRISING A WHOLLY AROMATIC POLYAMIDE FABRIC HAVING A COATING CONSISTING ESSENTIALLY OF A CURED COPOLYMER CONTAINING ABOUT 30 TO 70% BY WEIGHT OF VINYLIDENE FLUORIDE AND ABOUT 70 TO 30% BY WEIGHT OF HEXAFLUOROPROPENE, THE AROMATIC POLYAMIDE OF SAID FABRIC BEING A POLYMER CHARACTERIZED BY THE RECURRING STRUCTURAL UNIT
References Cited (Backward Citations)
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US2244192A
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Cited
US2625536A
Cited
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Cited
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Cited
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Cited
US2770606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |