Patent US3015547A successfully refreshed from Google Patents.
US3015547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel containing octane improver
Assignee: Texaco Inc
•
Filing: 1958-11-06
•
Granted: 1962-01-02
•
Expires: 1978-11-06
Abstract
No abstract record available.
Inventors
- 👤 Robert Y Heisler
- 👤 George W Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:21
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/185; C10L1/1852; C10L1/1855; C10L1/30; C10L1/305; C10L1/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A HYDROCARBON FUEL IN THE GASOLINE BOILING RANGE CONTAINING AN ORGANO-LEAD ANTI-KNOCK AGENT, HIGH OCTANE COMPONENTS SELECTED FROM THE GROUP CONSISTING OF OLEFIN HYDROCARBONS, AROMATIC HYDROCARBONS AND MIXTURES THEREOF IN A CONCENTRATION OF AT LEAST 10 VOLUMES PERCENT, AND A LACTONE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
45 words
A HYDROCARBON FUEL IN THE GASOLINE BOILING RANGE CONTAINING AN ORGANO-LEAD ANTI-KNOCK AGENT, HIGH OCTANE COMPONENTS SELECTED FROM THE GROUP CONSISTING OF OLEFIN HYDROCARBONS, AROMATIC HYDROCARBONS AND MIXTURES THEREOF IN A CONCENTRATION OF AT LEAST 10 VOLUMES PERCENT, AND A LACTONE HAVING THE GENERAL 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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |