Patent CA864652A successfully refreshed from Google Patents.
US2862801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline fuels
Assignee: Ethyl Corp
•
Filing: 1953-11-05
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Granted: 1958-12-02
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Expires: 1973-11-05
Abstract
No abstract record available.
Inventors
- 👤 Witt Earl G De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:55
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/10; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/16; C07F9/165; C07F9/1651; C10L1/00; C10L1/10; C10L1/14; C10L1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A FUEL COMPOSITION SUITABLE FOR USE IN SPARK IGNITION INTERNAL COMBUSTION ENGINES CONSISTING ESSENTIALLY OF A LIQUID PETROLEUM HYDROCARBON FUEL OF THE GASOLINE BOILING RANGE, AN ANTIKNOCK QUANNTITY OF AN ORGANOLEAD ANTIKNOCK AGENT, AND S-(CHLOROPROPYL)-THIONOPHOSPHATE, THE PHOSPHORUS-TO-LEAD ATOM RATIO BEING FROM ABOUT 0.1:3 TO ABOUT 1:3.
Claim 2
Dependent Claim
46 words
A FUEL COMPOSITION SUITABLE FOR USE IN SPARK IGNITION INTERNAL COMBUSTION ENGINES CONSISTING ESSENTIALLY OF A LIQUID PETROLEUM HYDROCARBON FUEL OF THE GASOLINE BOILING RANGE, AN ANTIKNOCK QUANNTITY OF AN ORGANOLEAD ANTIKNOCK AGENT, AND S-(CHLOROPROPYL)-THIONOPHOSPHATE, THE PHOSPHORUS-TO-LEAD ATOM RATIO BEING FROM ABOUT 0.1:3 TO ABOUT 1:3.
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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) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |