US2876750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel containing anti-icing additives
Assignee: Phillips Petroleum Co
•
Filing: 1954-01-21
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Granted: 1959-03-10
•
Expires: 1974-01-21
Abstract
No abstract record available.
Inventors
- 👤 Carr Donald Eaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:30
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/18; C10L1/185; C10L1/1852; C10L1/192; C10L1/198; C10L1/1985; C10L1/20; C10L1/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE WHICH METHOD COMPRISES INTRODUCING INTO THE CARBURETOR OF SAID ENGINE, TOGETHER WITH A FUEL THE VAPORIZATION OF WHICH IN SAID CARBURETOR IS ACCOMPAINED BY COLD STALLING UNDER COLD-STALLING CONDITIONS, A SATURATED ALIPHATIC PERFLUOROCARBOXYLIC ACID HAVING AT LEAST 3 CARBON ATOMS PER MOLECULE, IN AN AMOUNT SUFFICIENT TO REDUCE COLD STALLING OF SAID ENGINE.
Claim 2
Independent Claim
61 words
A METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE WHICH METHOD COMPRISES INTRODUCING INTO THE CARBURETOR OF SAID ENGINE, TOGETHER WITH A FUEL THE VAPORIZATION OF WHICH IN SAID CARBURETOR IS ACCOMPAINED BY COLD STALLING UNDER COLD-STALLING CONDITIONS, A SATURATED ALIPHATIC PERFLUOROCARBOXYLIC ACID HAVING AT LEAST 3 CARBON ATOMS PER MOLECULE, IN AN AMOUNT SUFFICIENT TO REDUCE COLD STALLING OF SAID ENGINE.
References Cited (Backward Citations)
US2599338A
Cited
US2600113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |