US3294767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally stable vinyl fluoride polymers
Assignee: Union Carbide Corp
•
Filing: 1963-06-25
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Granted: 1966-12-27
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Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Robert D Lundberg
- 👤 Jr Frederick E Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:31
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/18; C08F214/20; C08F214/205
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
25 words
A SHAPEABLE SOLID TERPOLYMER CONTAINING FROM 55 TO 99.5 MOLE PERCENT POLYMERIZED VINYL FLUORIDE, THE BALANCE BEING POLYMERIZED BICYCLO 2.2.1!HEPT-2-EN-5-YLCARBOXAMIE AND POLYMERIZED BICYCLO 2.2.1! HEPT-2-ENE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |