Patent US2294525A successfully refreshed from Google Patents.
US2294525A
Expired / Lapsed
US
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Inhibitor
Assignee: TIDE WATER ASSOCIATED OIL Co
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Filing: 1940-12-23
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Granted: 1942-09-01
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Expires: 1960-12-23
Abstract
No abstract record available.
Inventors
- 👤 Stanley P Waugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:44
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2211/00; C10M2211/08; C10M2219/00; C10M2219/02; C10M2219/024; C10M2227/00; C10M2227/09; C10N; C10N2010/00; C10N2010/12; C10N2030/00; C10N2030/12; C10N2050/00; C10N2050/10
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) | 1945-08-31 | 1946-03-02 | 1946-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-31 | 1950-03-02 | 1950-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-31 | 1954-03-02 | 1954-09-01 | $7700.00 | Window Closed / Lapsed |