US2655476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thickened lubricants
Assignee: Standard Oil Co
•
Filing: 1951-10-26
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Granted: 1953-10-13
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Expires: 1971-10-26
Abstract
No abstract record available.
Inventors
- 👤 Everett C Hughes
- 👤 Ernest C Milberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:00
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; C10M2201/14; C10M2205/00; C10M2205/02; C10M2205/026; C10M2211/00; C10M2211/02; C10M2211/024; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; 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; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A WATER-RESISTANT THICKENED LUBRICANT OF GOOD TEMPERATURE SUSCEPTIBILITY PROPERTIES CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL OF LUBRICATING VISCOSITY AS THE MAJOR COMPONENT, AN INORGANIC WATER-SENSITIVE GELLING AGENT IMPARTING A GREASE-LIKE CONSISTENCY TO THE OIL UPON ADDITION THRETO AS A MINOR COMPONENT, AND AN OIL-SOLUBLE, WATER-INSOLUBLE, SURFACE-ACTIVE POLYAMINO IMIDAZOLINE BEING IN AN AMOUNT LESS THAN THE GELLING AGENT AND IMPARTING STABILITY AGANST DETERIORATION BY WATER, AND HAVING THE FORMULA
Claim 2
Dependent Claim
69 words
A WATER-RESISTANT THICKENED LUBRICANT OF GOOD TEMPERATURE SUSCEPTIBILITY PROPERTIES CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL OF LUBRICATING VISCOSITY AS THE MAJOR COMPONENT, AN INORGANIC WATER-SENSITIVE GELLING AGENT IMPARTING A GREASE-LIKE CONSISTENCY TO THE OIL UPON ADDITION THRETO AS A MINOR COMPONENT, AND AN OIL-SOLUBLE, WATER-INSOLUBLE, SURFACE-ACTIVE POLYAMINO IMIDAZOLINE BEING IN AN AMOUNT LESS THAN THE GELLING AGENT AND IMPARTING STABILITY AGANST DETERIORATION BY WATER, AND HAVING THE FORMULA
References Cited (Backward Citations)
US2531440A
Cited
US2554222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |