Patent US2820764A successfully refreshed from Google Patents.
US2820764A
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Thickened lubricants
Assignee: Standard Oil Co
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Filing: 1954-10-06
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Granted: 1958-01-21
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Expires: 1974-10-06
Abstract
No abstract record available.
Inventors
- 👤 Everett C Hughes
- 👤 Ernest C Milberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:03
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/043; C10M2201/06; C10M2201/062; C10M2201/10; C10M2201/105; C10M2203/00; C10M2203/10; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/22; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/04; C10M2207/046; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2211/00; C10M2211/02; C10M2211/024; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/067; C10M2215/22; C10M2215/223; C10M2215/224; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10N; C10N2040/00; C10N2040/02; C10N2040/10; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10; C10N2070/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A WATER-RESISTANT THICKENED LUBRICANT OF GOOD TEMPERATURE SUSCEPTIBILITY PROPERTIES, CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL OF LUBRICATING VISCOSITY, AN INORGANIC GELLING AGENT IMPARTING A GREASE-LIKE CONSISTENCY TO THE OIL UPON ADDITION THERETO, 1-B-HYDROXYETHYL-2-HEPTADECENYL IMIDAZOLINE IMPARTING STABILITY AGAINST DETERIORATION BY WATER, AND A WATER-SOLUBLE POLYHYDRIC ALCOHOL IMPARTING HIGH YEMPERATURE STABILITY.
Claim 2
Dependent Claim
50 words
A WATER-RESISTANT THICKENED LUBRICANT OF GOOD TEMPERATURE SUSCEPTIBILITY PROPERTIES, CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL OF LUBRICATING VISCOSITY, AN INORGANIC GELLING AGENT IMPARTING A GREASE-LIKE CONSISTENCY TO THE OIL UPON ADDITION THERETO, 1-B-HYDROXYETHYL-2-HEPTADECENYL IMIDAZOLINE IMPARTING STABILITY AGAINST DETERIORATION BY WATER, AND A WATER-SOLUBLE POLYHYDRIC ALCOHOL IMPARTING HIGH YEMPERATURE STABILITY.
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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) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |