US2881061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-knock gasoline containing hydrogenated quinolines and indoles
Assignee: ExxonMobil Oil Corp
•
Filing: 1956-03-12
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Granted: 1959-04-07
•
Expires: 1976-03-12
Abstract
No abstract record available.
Inventors
- 👤 James A Brennan
- 👤 Charles C Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:31
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A GASOLINE CONTAINING A MINOR AMOUNT, FROM ABOUT 0.1% TO ABOUT 10%, BY WEIGHT, OF A COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
21 words
A GASOLINE CONTAINING A MINOR AMOUNT, FROM ABOUT 0.1% TO ABOUT 10%, BY WEIGHT, OF A COMPOUND HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |