Patent US2987478A successfully refreshed from Google Patents.
US2987478A
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Lubricating oil compositions having extreme pressure characteristics
Assignee: Sinclair Refining Co
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Filing: 1959-01-26
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Granted: 1961-06-06
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Expires: 1979-01-26
Abstract
No abstract record available.
Inventors
- 👤 Howard J Matson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:14
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/06; C10M2203/10; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/304; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/102; C10M2209/103; C10M2209/105; C10M2209/108; C10M2209/109; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2227/00; C10M2227/06; C10M2227/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A BASE OIL OF LUBRICATING VISCOSITY, ABOUT .1% TO 10% BY WEIGHT OF A BASE OIL-COMPATIBLE ALIPHATIC MONOHYDRIC ALCOHOL ESTER OF MOLYBDIC ACID, SAID ALCOHOL CONTAINING 4 TO 20 CARBON ATOMS AND ABOUT 0.5 LECTED FROM THE GROUP CONSISTING OF SULFURIZED FATTY OILS AND SULFURIZED OLEFINS OF 8 TO 32 CARBON ATOMS.
Claim 2
Dependent Claim
62 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A BASE OIL OF LUBRICATING VISCOSITY, ABOUT .1% TO 10% BY WEIGHT OF A BASE OIL-COMPATIBLE ALIPHATIC MONOHYDRIC ALCOHOL ESTER OF MOLYBDIC ACID, SAID ALCOHOL CONTAINING 4 TO 20 CARBON ATOMS AND ABOUT 0.5 LECTED FROM THE GROUP CONSISTING OF SULFURIZED FATTY OILS AND SULFURIZED OLEFINS OF 8 TO 32 CARBON ATOMS.
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |