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US3467635A
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Copolymers of tetrafluoroethylene and olefins curable to elastomers
Assignee: EIDP Inc
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Filing: 1966-09-08
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Granted: 1969-09-16
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Expires: 1986-09-08
Abstract
No abstract record available.
Inventors
- 👤 Wallace Raymond Brasen
- 👤 Charles Spencer Cleaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:34
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C09D127/18; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C08; C08F; C08F10/00; C08F16/00; C08F16/12; C08F16/14; C08F16/24; C08F214/00; C08F214/18; C08F214/26; C08F214/265; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3318854A
Cited
US3306879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |