US2463866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production and recovery of olefinic elastomers
Assignee: Standard Oil Development Co
•
Filing: 1943-11-25
•
Granted: 1949-03-08
•
Expires: 1963-11-25
Abstract
No abstract record available.
Inventors
- 👤 Green Arthur Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:35
CPC Classifications
C; C08; C08F; C08F210/00; C08F210/04; C08F210/08; C08F210/10; C08F210/12; B; B01; B01J; B01J8/00; B01J8/08; B01J8/087; C08F10/00; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00079; B01J2208/00088; B01J2208/00106; B01J2208/00168; B01J2208/00212; B01J2208/00477; B01J2208/00486
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2229661A
Cited
US2131905A
Cited
US2276893A
Cited
US2273158A
Cited
US2378138A
Cited
US2395901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |