Patent US2907646A successfully refreshed from Google Patents.
US2907646A
Expired / Lapsed
US
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Rust inhibitor for fuel fractions of mineral oil
Assignee: American Oil Co
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Filing: 1955-09-29
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Granted: 1959-10-06
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Expires: 1975-09-29
Abstract
No abstract record available.
Inventors
- 👤 Arlie A O'kelly
- 👤 Harvey R Titsworth
- 👤 Eugene C Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:45
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/188; C10L1/1888; C10L1/22; C10L1/232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A LIGHT LIQUID FUEL FRACTION OF MINEERAL OIL CONTAINING BETWEEN ABOUAT 0.0001% AND 0.01% BY WEIGHT OF TALL OIL AND 1,2-DISUBSTITUTED IMIDAZOLINE CORRESPONDING TO THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
27 words
A LIGHT LIQUID FUEL FRACTION OF MINEERAL OIL CONTAINING BETWEEN ABOUAT 0.0001% AND 0.01% BY WEIGHT OF TALL OIL AND 1,2-DISUBSTITUTED IMIDAZOLINE CORRESPONDING TO THE FOLLOWING 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) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |