Patent US2508741A successfully refreshed from Google Patents.
US2508741A
Expired / Lapsed
US
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Lubricating grease composition
Assignee: Texaco Inc
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Filing: 1948-04-12
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Granted: 1950-05-23
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Expires: 1968-04-12
Abstract
No abstract record available.
Inventors
- 👤 Harry V Ashburn
- 👤 Robert S Barnett
- 👤 Oney P Puryear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:50
CPC Classifications
C; C10; C10M; C10M7/00; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A LUBRICATING GREASE COMPOSITION COMPRISING AS THE LUBRICANT BASE AND THE MAJOR CONSTITUENT OF THE COMPOSITION A SYNTHETIC HIGH BOILING LIQUID POLYORGANOSILOXANE WITHIN THE LUBRICATING OIL VISCOSITY RANGE, AND SUFFICIENT METAL SOAP OF A SOAPFORMING FATTY MATERIAL SELECTED FROM THE GROUP CONSISTING OF HYDROXY FATTY ACIDS AND HYDROXY FATTY ACID GLYCERIDES TO THICKEN SAID LUBRICANT BASE, SAID GREASE COMPOSITION BEING TEXTURE STABLE UNDER HIGH SHEARING STRESS.
Claim 2
Dependent Claim
66 words
A LUBRICATING GREASE COMPOSITION COMPRISING AS THE LUBRICANT BASE AND THE MAJOR CONSTITUENT OF THE COMPOSITION A SYNTHETIC HIGH BOILING LIQUID POLYORGANOSILOXANE WITHIN THE LUBRICATING OIL VISCOSITY RANGE, AND SUFFICIENT METAL SOAP OF A SOAPFORMING FATTY MATERIAL SELECTED FROM THE GROUP CONSISTING OF HYDROXY FATTY ACIDS AND HYDROXY FATTY ACID GLYCERIDES TO THICKEN SAID LUBRICANT BASE, SAID GREASE COMPOSITION BEING TEXTURE STABLE UNDER HIGH SHEARING STRESS.
References Cited (Backward Citations)
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US2308599A
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US2351384A
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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) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |