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US2922706A
Expired / Lapsed
US
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Gasoline compositions
Assignee: ConocoPhillips Co
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Filing: 1957-05-31
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Granted: 1960-01-26
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Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert M Durr
- 👤 William R Meador
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:14
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/19; C10L1/1905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1995615A
Cited
US2264964A
Cited
US2291522A
Cited
US2312790A
Cited
US2417281A
Cited
US2539504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |