US2301918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushing oil
Assignee: —
•
Filing: —
•
Granted: 1942-11-17
•
Expires: 1959-11-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:36
CPC Classifications
C; C10; C10M; C10M169/00; C10M169/04; C10M2203/00; C10M2203/06; C10M2203/065; C10M2203/10; C10M2203/108; C10M2203/1085; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/047; C10M2223/049; C10N; C10N2040/00; C10N2040/42
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) | 1945-11-16 | 1946-05-18 | 1946-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-16 | 1950-05-18 | 1950-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-16 | 1954-05-18 | 1954-11-17 | $7700.00 | Window Closed / Lapsed |