US2295132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polish
Assignee: Standard Oil Co
•
Filing: 1940-03-22
•
Granted: 1942-09-08
•
Expires: 1960-03-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Sharp
- 👤 George W Flint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:06
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/50; C11D7/5004; C11D7/5027; C11D7/02; C11D7/04; C11D7/10; C11D7/22; C11D7/26; C11D7/265; C11D7/40
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) | 1945-09-07 | 1946-03-09 | 1946-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-07 | 1950-03-09 | 1950-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-07 | 1954-03-09 | 1954-09-08 | $7700.00 | Window Closed / Lapsed |