US3361545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sludge inhibiting jet fuel additives and methods for their use
Assignee: Sunoco Inc
•
Filing: 1962-01-15
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Granted: 1968-01-02
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Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Richard L Raymond
- 👤 Jr John D Douros
- 👤 John J Melchiore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:21
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1608; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/185; C10L1/1857; C10L1/19; C10L1/1905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A HYDROCARBON DISTILLATE AVIATION JET FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF AN ESSENTIALLY AROMATICFREE HYDROCARBON DISTILLATE FUEL TO WHICH HAS BEEN ADDED A MINOR AMOUNT OF A DISUBSTITUTED NAPHTHALENE OF THE STRUCTURE
Claim 2
Dependent Claim
33 words
A HYDROCARBON DISTILLATE AVIATION JET FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF AN ESSENTIALLY AROMATICFREE HYDROCARBON DISTILLATE FUEL TO WHICH HAS BEEN ADDED A MINOR AMOUNT OF A DISUBSTITUTED NAPHTHALENE OF THE STRUCTURE
References Cited (Backward Citations)
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US2975042A
Cited
US2975043A
Cited
US2918360A
Cited
US3206398A
Cited
US3223621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |