US3043813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer of alkenyl epoxycyclopentyl ethers
Assignee: Union Carbide Corp
•
Filing: 1958-10-03
•
Granted: 1962-07-10
•
Expires: 1978-10-03
Abstract
No abstract record available.
Inventors
- 👤 John R Kilsheimer
- 👤 Phillips Benjamin
- 👤 Paul S Starcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:32
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A COPOLYMER OBTAINED BY POLYMERIZING A MIXTURE OF MONOMERS COMPRISING AN EPOXIDE OF THE FORMULA:
Claim 2
Dependent Claim
15 words
A COPOLYMER OBTAINED BY POLYMERIZING A MIXTURE OF MONOMERS COMPRISING AN EPOXIDE OF THE FORMULA:
References Cited (Backward Citations)
US2260753A
Cited
US2476922A
Cited
GB660377A
Cited
US2633458A
Cited
US2752269A
Cited
US2864804A
Cited
US2739161A
Cited
US2768153A
Cited
US2866472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |