US2284080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel adjuvant
Assignee: Pure Oil Co
•
Filing: 1938-10-06
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Granted: 1942-05-26
•
Expires: 1958-10-06
Abstract
No abstract record available.
Inventors
- 👤 William J Backoff
- 👤 Norman D Williams
- 👤 John F O'loughlin
- 👤 Harry L Moir
- 👤 John S Yule
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:03
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L10/00; C10L10/06; C10M; C10M1/00; C10M1/08; C10L1/16; C10L1/1616; C10L1/18; C10L1/19; C10L1/1905; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/04; C10M2207/044; C10M2207/08; C10M2207/28; C10M2207/282; C10M2207/284; C10M2207/285; C10M2207/34; C10N; C10N2040/00; C10N2040/46
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) | 1945-05-25 | 1945-11-24 | 1946-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-25 | 1949-11-24 | 1950-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-25 | 1953-11-24 | 1954-05-26 | $7700.00 | Window Closed / Lapsed |