US2714092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lithium base grease containing group ii divalent metal alkyl salicylate, such as zinc alkyl salicylate, as copper corrosion inhibitor
Assignee: Texaco Inc
•
Filing: 1953-03-04
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Granted: 1955-07-26
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Expires: 1973-03-04
Abstract
No abstract record available.
Inventors
- 👤 Charles H Culnane
- 👤 John P Dilworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:49
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/083; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A LUBRICATING GREASE COMPOSITION COMPRISING AS THE ESSENTIAL CONTITUENTS AN OLEAGINOUS LIQUID LUBRICATING BASE OF WHICH AT LEAST THE MAJOR PROPORTION IS A LIQUID ALIPHATIC DICARBOXYLIC ACID ESTER WITHIN THE LUBRICATING VISCOSITY RANGE, ABOUT 10-30% BY WEIGHT OF A LITHIUM SOAP OF A SATURATED SOAP-FORMING FATTY MATERIAL, SAID GREASE NORMALLY BEING CORROSIVE TO COPPER. AND FROM 0.25 TO 5% BY WEIGHT BASED ON SAID COMPOSITION OF AN OIL-SOLUBLE METAL ALKYL SALICYLATE OF THE FORMULA
Claim 2
Dependent Claim
74 words
A LUBRICATING GREASE COMPOSITION COMPRISING AS THE ESSENTIAL CONTITUENTS AN OLEAGINOUS LIQUID LUBRICATING BASE OF WHICH AT LEAST THE MAJOR PROPORTION IS A LIQUID ALIPHATIC DICARBOXYLIC ACID ESTER WITHIN THE LUBRICATING VISCOSITY RANGE, ABOUT 10-30% BY WEIGHT OF A LITHIUM SOAP OF A SATURATED SOAP-FORMING FATTY MATERIAL, SAID GREASE NORMALLY BEING CORROSIVE TO COPPER. AND FROM 0.25 TO 5% BY WEIGHT BASED ON SAID COMPOSITION OF AN OIL-SOLUBLE METAL ALKYL SALICYLATE OF THE FORMULA
References Cited (Backward Citations)
US2347546A
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US2347547A
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US2356043A
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US2339692A
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US2392252A
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US2450221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |