US2919979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust inhibitor for gasoline
Assignee: American Oil Co
•
Filing: 1957-06-11
•
Granted: 1960-01-05
•
Expires: 1977-06-11
Abstract
No abstract record available.
Inventors
- 👤 Eugene C Martin
- 👤 Harvey R Titsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:06
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/188; C10L1/1888; C10L1/22; C10L1/222; C10L1/224; C10L1/232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A GASOLINE CONTAINING BETWEEN ABOUT 0.0001 PERCENT AND 0.01 PERCENT BY WEIGHT OF A RUST INHIBITING COMPOSITION CONSISTING OF AN ACYLSARCOSINE CORRESPONDING TO THE FORMULA RCON(CH3)CH2COOH AND A 1,2-DISUBSTITUTED IMIDAZOLINE CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
34 words
A GASOLINE CONTAINING BETWEEN ABOUT 0.0001 PERCENT AND 0.01 PERCENT BY WEIGHT OF A RUST INHIBITING COMPOSITION CONSISTING OF AN ACYLSARCOSINE CORRESPONDING TO THE FORMULA RCON(CH3)CH2COOH AND A 1,2-DISUBSTITUTED IMIDAZOLINE CORRESPONDING TO 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) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |