US2658869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease compositions
Assignee: Shell Development Co
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Filing: 1950-06-24
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Granted: 1953-11-10
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Expires: 1970-06-24
Abstract
No abstract record available.
Inventors
- 👤 Fred H Stross
- 👤 Stanley T Abrams
- 👤 Walter H Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:47
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/06; C10M2201/062; C10M2201/063; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/085; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2201/14; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/02; C10M2205/16; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/124; C10M2207/125; C10M2207/128; C10M2207/129; C10M2207/14; C10M2207/142; C10M2207/16; C10M2207/18; C10M2207/20; C10M2207/22; C10M2207/24; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2209/108; C10M2209/109; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/14; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2221/00; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/061; C10M2223/063; C10M2223/065; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/14; C10N2010/16; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04; C10N2070/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
A LUBRICATING COMPOSITIONG COMPRISING A MAJOR AMOUNT OF A LUBRICATING OIL HAVING DISPERSED THERETHROUGH IN COLLOIDALLY GELLED FORM IN AN AMOUNT SUFFICIENT TO THICKEN SAID OIL, AN AMORPHOUS GEL COMPRISING A MIXTURE OF A MOJOR COMPONENT OF THE GROUP CONSISTING OF SILICA AND POLYVALENT METAL SULICATES AND MINOR COMPONENT OF THE GROUP CONSISTING OF POLYVALENT METAKL OXIDES AND POLYVALENT METAL HYDROXIDES, THE AMOUNT OF POLYVALENT METAL BEING BEING BETWEEN 2% AND 25% BY WEIGHT OF THE INORGANIC CONSTITUENTS OF SAID GEL, AND FROM ABOUT 50% TO ABOUT 70% BASED ON THE WEIGHT OF THE GEL, OF A HYDROPHOBIC SURFACE ACTIVE AGENT ABSORBED ON THE SURFACES OF THE GEL.
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) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |