US2799668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel polymers of ethylene and bicyclo (2.2.1)-2-heptenes
Assignee: EIDP Inc
•
Filing: 1956-09-19
•
Granted: 1957-07-16
•
Expires: 1976-09-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Anderson
- 👤 Noelle K Merckling
- 👤 Paul H Settlage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:20
CPC Classifications
C; C08; C08F; C08F210/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
NORMALLY SOLID INTERPOLYMERS OF ETHYLENE AND A BICYCLO-(2,2,1)-2-HEPTENE HAVING THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
13 words
NORMALLY SOLID INTERPOLYMERS OF ETHYLENE AND A BICYCLO-(2,2,1)-2-HEPTENE HAVING THE FOLLOWING GENERAL FORMULA:
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) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |