US2863745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel
Assignee: Gulf Oil Corp
•
Filing: 1954-10-04
•
Granted: 1958-12-09
•
Expires: 1974-10-04
Abstract
No abstract record available.
Inventors
- 👤 Troy L Cantrell
- 👤 Albert S Orr
- 👤 John G Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:45
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/11; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10L1/2658
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A MOTOR FUEL CONSISTING ESSENTIALLY OF A GASOLINE CONTAINING TETRAETHYL LEAD AND AN ETHYLENE HALIDE IN AN AMOUNT NORMALLY TENDING TO CAUSE PREIGNITION OF SAID GASOLINE IN THE COMBUSTION CHAMBER OF A SPARK IGNITION ENGINE AND AT LEAST 0.3 TIMES THE THEOREICAL AMOUNT REQUIRED TO CONVERT THE LEAD TO LEAD PHOSPHATE OF THE COCOAMINE SALT OF 3-METHYLBUTYL,2-ETHYLHEXYL ACID ORTHOPHOSPHATE.
Claim 2
Dependent Claim
59 words
A MOTOR FUEL CONSISTING ESSENTIALLY OF A GASOLINE CONTAINING TETRAETHYL LEAD AND AN ETHYLENE HALIDE IN AN AMOUNT NORMALLY TENDING TO CAUSE PREIGNITION OF SAID GASOLINE IN THE COMBUSTION CHAMBER OF A SPARK IGNITION ENGINE AND AT LEAST 0.3 TIMES THE THEOREICAL AMOUNT REQUIRED TO CONVERT THE LEAD TO LEAD PHOSPHATE OF THE COCOAMINE SALT OF 3-METHYLBUTYL,2-ETHYLHEXYL ACID ORTHOPHOSPHATE.
References Cited (Backward Citations)
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Cited
US2301370A
Cited
US2371851A
Cited
US2364921A
Cited
US2405560A
Cited
GB600191A
Cited
US2728643A
Cited
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Cited
US2764866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |