US3085083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized tetrafluoroethylene-fluoro-olefin copolymers having-cf2h end groups
Assignee: EIDP Inc
•
Filing: 1959-05-05
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Granted: 1963-04-09
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Expires: 1979-05-05
Abstract
No abstract record available.
Inventors
- 👤 Schreyer Ralph Courtenay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:57
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A SOLID, COLD-DRAWABLE COPOLYMER OF TETRAFLUOROETHYLENE AND A FLUOROOLEFIN HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
13 words
A SOLID, COLD-DRAWABLE COPOLYMER OF TETRAFLUOROETHYLENE AND A FLUOROOLEFIN HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
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Cited
US2700661A
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US2695880A
Cited
US2888446A
Cited
US2902477A
Cited
US2881156A
Cited
US2955099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |