US3063973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylene sulfur-curable terpolymers of a 2-alkylnorbornadiene, ethylene and an alpha-olefin
Assignee: EIDP Inc
•
Filing: 1960-12-06
•
Granted: 1962-11-13
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Expires: 1980-12-06
Abstract
No abstract record available.
Inventors
- 👤 Edward K Gladding
- 👤 Jack L Nyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:10
CPC Classifications
C; C08; C08F; C08F210/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A SULFUR-CURABLE COPOLYMER OF (A) ETHYLENE, (B) AT LEAST ONE ALPHA MONOOLEFIN HAVING THE STRUCTURE
Claim 2
Dependent Claim
15 words
A SULFUR-CURABLE COPOLYMER OF (A) ETHYLENE, (B) AT LEAST ONE ALPHA MONOOLEFIN HAVING THE STRUCTURE
References Cited (Backward Citations)
US2933480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |