US2843466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel composition
Assignee: Cities Service Research and Development Co
•
Filing: 1957-04-19
•
Granted: 1958-07-15
•
Expires: 1977-04-19
Abstract
No abstract record available.
Inventors
- 👤 Bertrand W Greenwald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:46
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/19; C10L1/1905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A GASOLINE FUEL CONTAINING FROM 0.002 TO ABOUT 1.0% BASED ON THE WEIGHT OF THE GASOLINE FUEL OF AN ALKYL TETRAESTER HAVING THE FORMULA
Claim 2
Dependent Claim
24 words
A GASOLINE FUEL CONTAINING FROM 0.002 TO ABOUT 1.0% BASED ON THE WEIGHT OF THE GASOLINE FUEL OF AN ALKYL TETRAESTER HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |