US2932942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet fuel compositions
Assignee: Ethyl Corp
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Filing: 1957-01-22
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Granted: 1960-04-19
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 George G Ecke
- 👤 Alfred J Kolka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:20
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/223; C10L1/2235
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
60 words
PROCESS FOR COOLING THE LUBRICATING OIL IN A JET ENGINE COMPRISING USING AS A COOLANT FOR HEAT TRANSFER WITH THE LUBRICATING OIL A THERMALLY STABILIZED JET FUEL CONSISTING ESSENTIALLY OF A DISTILLED HYDROCARBON FUEL HAVING AN ENDPOINT OF AT LEAST ABOUT 480*F. AND CONTAINING FROM ABOUT 0.001 TO ABOUT 0.5 PERCENT BY WEIGHT OF A 4-AMINO-2,6-DI-HYDROCARBON-SUBSTITUTED PHENOL 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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |