US3038890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical manufacture
Assignee: Monsanto Chemicals Ltd
•
Filing: 1960-03-25
•
Granted: 1962-06-12
•
Expires: 1980-03-25
Abstract
No abstract record available.
Inventors
- 👤 John G Abramo
- 👤 Earl C Chapin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:53
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/02; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
ELASTOMERIC MATERIAL COMPRISING COPOLYMERS HAVING ON THE WEIGHT OF SAID COPOLYMER IN POLYMERIZED FORM 2-80% BY WEIGHT OF VINYLBENZYL ALCOHOL HAVING THE STRUCTURE:
Claim 2
Dependent Claim
23 words
ELASTOMERIC MATERIAL COMPRISING COPOLYMERS HAVING ON THE WEIGHT OF SAID COPOLYMER IN POLYMERIZED FORM 2-80% BY WEIGHT OF VINYLBENZYL ALCOHOL HAVING THE STRUCTURE:
References Cited (Backward Citations)
US2531355A
Cited
US2834747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |