US3011976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of lubricants
Assignee: Universal Oil Products Co
•
Filing: 1959-07-13
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Granted: 1961-12-05
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Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Henry A Cyba
- 👤 Robert H Rosenwald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:39
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/06; C10M2201/062; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2201/14; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/105; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/067; C10M2215/10; C10M2215/102; C10M2215/12; C10M2215/122; C10M2215/16; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/227; C10M2215/24; C10M2215/30; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2227/00; C10M2227/02; C10M2227/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10M2229/05; C10M2229/051; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/06; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
40 words
A LUBRICANT CONSISTING ESSENTIALLY OF A LUBRICATING COMPONENT SELECTED FROM THE GROUP CONSISTING OF GREASES AND OILS OF LUBRICATING VISCOSITY, AND A STABILIZING CONCENTRATION OF AN INHIBITOR SELECTED FROM THE GROUP CONSISTING OF 4,4''-DI-(SEC-ALKYLAMINO)-DIPHENYL METHANE, N,N,N'',N''TETRA-(SEC-ALKYL)-4,4''-DIAMINODIPHENYL METHANE AND N,N,N'',N''-TETRA-ETHYL-4,4''-DIAMINODIPHENYL METHANE.
References Cited (Backward Citations)
US2000045A
Cited
US2452320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |