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Patent US2951040A successfully refreshed from Google Patents.
US2951040A
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Extreme pressure lubricants containing molybdic xanthates
Assignee: IFP Energies nouvelles
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Filing: 1955-01-07
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Granted: 1960-08-30
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Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 Hugel Georges
- 👤 Courtel Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:25
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07C; C07C329/00; C07F; C07F11/00; C07F11/005; C10M2201/00; C10M2201/06; C10M2201/062; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2219/00; C10M2219/06; C10M2219/062; C10M2227/00; C10M2227/09; C10N; C10N2010/00; C10N2010/12; C10N2030/00; C10N2030/12; C10N2050/00; C10N2050/10; C10N2080/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A LUBRICANT CONSISTING ESSENTIALLY OF A MIXTURE OF ABOUT 90 TO 99.5% BY WEIGHT OF A LUBRICATING MINERAL OIL AND ABOUT 0.5 TO 10% BY WEIGHT OF A MOLYBDIC XANTHATE HAVING THE FORMULA
Claim 2
Dependent Claim
33 words
A LUBRICANT CONSISTING ESSENTIALLY OF A MIXTURE OF ABOUT 90 TO 99.5% BY WEIGHT OF A LUBRICATING MINERAL OIL AND ABOUT 0.5 TO 10% BY WEIGHT OF A MOLYBDIC XANTHATE HAVING THE FORMULA
References Cited (Backward Citations)
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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) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |