Patent US2654697A successfully refreshed from Google Patents.
US2654697A
Expired / Lapsed
US
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Motor fuel
Assignee: SOCONYVACUUM OIL Co Inc
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Filing: 1950-10-31
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Granted: 1953-10-06
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Expires: 1970-10-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry J Andress
- 👤 Frederick L Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:40
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1691
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A MOTOR FUEL WHICH COMPRISES A GASOLINE, NORMALLY TENDING TO FORM HARD GUMMY DEPOSITS AND TO CAUSE VALVE STICKING WHEN USED IN AN INTERNAL COMBUSTION ENGINE, CONTAINING BETWEEN ABOUT 0.05% AND ABOUT 0.30%, BY VOLUME, OF A PETROLEUM STOCK HAVING A SAYBOLT UNIVERSAL VISCOSITY AT 210* F. OF BETWEEN ABOUT 95 AND ABOUT 125 SECONDS, A MELTING POINT OF BETWEEN ABOUT 115* F. AND ABOUT 135* F., AT ASTM PENETRATION AT 77* F. OF BETWEEN ABOUT 60 AND ABOUT 110, AND WHICH HAS NO KAURI-BUTANOL NUMBER.
Claim 2
Dependent Claim
86 words
A MOTOR FUEL WHICH COMPRISES A GASOLINE, NORMALLY TENDING TO FORM HARD GUMMY DEPOSITS AND TO CAUSE VALVE STICKING WHEN USED IN AN INTERNAL COMBUSTION ENGINE, CONTAINING BETWEEN ABOUT 0.05% AND ABOUT 0.30%, BY VOLUME, OF A PETROLEUM STOCK HAVING A SAYBOLT UNIVERSAL VISCOSITY AT 210* F. OF BETWEEN ABOUT 95 AND ABOUT 125 SECONDS, A MELTING POINT OF BETWEEN ABOUT 115* F. AND ABOUT 135* F., AT ASTM PENETRATION AT 77* F. OF BETWEEN ABOUT 60 AND ABOUT 110, AND WHICH HAS NO KAURI-BUTANOL NUMBER.
References Cited (Backward Citations)
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US2066234A
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US2125875A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |