US2274864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization product and method of preparing and using same
Assignee: Standard Oil Development Co
•
Filing: 1940-06-29
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Granted: 1942-03-03
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Expires: 1960-06-29
Abstract
No abstract record available.
Inventors
- 👤 Lieber Eugene
- 👤 Marvin E Thorner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:51
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07C; C07C29/00; C07C29/44; C10M2207/00; C10M2207/04; C10M2207/044; C10M2207/046; C10M2207/06; C10M2209/00; C10M2209/02; C10M2209/10
Claims Analysis
Total Claims: 0
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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) | 1945-03-02 | 1945-09-01 | 1946-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-02 | 1949-09-01 | 1950-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-02 | 1953-09-01 | 1954-03-03 | $7700.00 | Window Closed / Lapsed |