US3092611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Homopolymer and copolymers of vinyl cyanoacetate
Assignee: Union Carbide Corp
•
Filing: 1959-09-15
•
Granted: 1963-06-04
•
Expires: 1979-09-15
Abstract
No abstract record available.
Inventors
- 👤 John W Lynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:21
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A HOMOPOLYMER OF VINYL CYANOACETATE.
Claim 2
Dependent Claim
5 words
A HOMOPOLYMER OF VINYL CYANOACETATE.
References Cited (Backward Citations)
US2245131A
Cited
US2299862A
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US2469836A
Cited
US2465316A
Cited
US2677676A
Cited
US2719834A
Cited
US2808331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |