US2937932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel composition
Assignee: Texaco Inc
•
Filing: 1957-11-08
•
Granted: 1960-05-24
•
Expires: 1977-11-08
Abstract
No abstract record available.
Inventors
- 👤 Stanley R Newman
- 👤 Robert Y Heisler
- 👤 Alpert Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:24
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/20; C10L1/201; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
AN IMPROVED SPARK IGNITION MOTOR FUEL COMPRISING A MAJOR PROPORTION OF A HYDROCARBON BOILING WITHIN THE GASOLINE RANGE, TETRAETHYL LEAD, AND 1,1-DIFLUORO-2,2-DICHLORO-1,2-DIBROMOETHANE IN AN AMOUNT SUFFICIENT TO REDUCE OCTANE REQUIREMENT INCREASE.
Claim 2
Dependent Claim
31 words
AN IMPROVED SPARK IGNITION MOTOR FUEL COMPRISING A MAJOR PROPORTION OF A HYDROCARBON BOILING WITHIN THE GASOLINE RANGE, TETRAETHYL LEAD, AND 1,1-DIFLUORO-2,2-DICHLORO-1,2-DIBROMOETHANE IN AN AMOUNT SUFFICIENT TO REDUCE OCTANE REQUIREMENT INCREASE.
References Cited (Backward Citations)
US2327708A
Cited
US2784160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |