US2948599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline fuel compositions
Assignee: Ethyl Corp
•
Filing: 1954-07-26
•
Granted: 1960-08-09
•
Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 Harold D Orloff
- 👤 Francis X Markley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:36
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A FUEL COMPOSITION ADAPTED FOR USE IN SPARK IGNITION INTERNAL COMBUSTION ENGINES WHICH CONSISTS ESSENTIALLY OF HYDROCARBONS OF THE GASOLINE BOILING RANGE CONTAINING AN ANTIKNOCK QUANTITY OF AN ORGANOLEAD ANTIKNOCK AGENT AND IN QUANTITY SUFFICIENT TO REDUCE DEPOSIT-INDUCED AUTOIGNITION, A DIMETHYL MONOPHENYL PHOSPHATE HAVING THE FORMULA
Claim 2
Dependent Claim
46 words
A FUEL COMPOSITION ADAPTED FOR USE IN SPARK IGNITION INTERNAL COMBUSTION ENGINES WHICH CONSISTS ESSENTIALLY OF HYDROCARBONS OF THE GASOLINE BOILING RANGE CONTAINING AN ANTIKNOCK QUANTITY OF AN ORGANOLEAD ANTIKNOCK AGENT AND IN QUANTITY SUFFICIENT TO REDUCE DEPOSIT-INDUCED AUTOIGNITION, A DIMETHYL MONOPHENYL PHOSPHATE HAVING THE FORMULA
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |