Patent US2944970A successfully refreshed from Google Patents.
US2944970A
Expired / Lapsed
US
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High temperature grease compositions containing salicylic acid derivatives
Assignee: Shell USA Inc
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Filing: 1954-07-12
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Granted: 1960-07-12
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Expires: 1974-07-12
Abstract
No abstract record available.
Inventors
- 👤 Walter H Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:37
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/06; C10M2201/062; C10M2201/063; C10M2201/065; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2201/14; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/10; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/144; C10M2207/146; C10M2207/28; C10M2207/282; C10M2207/34; C10M2211/00; C10M2211/02; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A HIGH TEMPERATURE GREASE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL, A GELLING PROPORTION OF A NON-SOAP COLLOIDAL GEL OF INORGANIC ORIGIN OF THE GROUP CONSISTING OF AMORPHOUS INORGANIC OXIDES, CLAYS AND ONIUM CLAYS, AND FROM ABOUT 1% TO ABOUT 10% BY WEIGHT OF A HYDROXY CARBOXY AROMATIC SUBSTANCE OF THE GROUP CONSISTING OF
Claim 2
Dependent Claim
59 words
A HIGH TEMPERATURE GREASE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL, A GELLING PROPORTION OF A NON-SOAP COLLOIDAL GEL OF INORGANIC ORIGIN OF THE GROUP CONSISTING OF AMORPHOUS INORGANIC OXIDES, CLAYS AND ONIUM CLAYS, AND FROM ABOUT 1% TO ABOUT 10% BY WEIGHT OF A HYDROXY CARBOXY AROMATIC SUBSTANCE OF THE GROUP CONSISTING OF
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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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |