US2910437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of lubricants
Assignee: Universal Oil Products Co
•
Filing: 1956-03-09
•
Granted: 1959-10-27
•
Expires: 1976-03-09
Abstract
No abstract record available.
Inventors
- 👤 Symon Ted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:41
CPC Classifications
G; G01; G01R; G01R17/00; G01R17/10; C; C07; C07C; C07C67/00; C07C67/48; C07C67/62; C10; C10M; C10M5/00; C11; C11B; C11B5/00; C11B5/0042; C11B5/005; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/10; C10M2201/102; C10M2201/105; C10M2203/00; C10M2203/10; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/16; C10M2205/18; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/026; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/105; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/067; C10M2215/14; C10M2215/20; C10M2215/206; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/08; C10M2219/082; C10M2219/086; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
A LUBRICANT NORMALLY SUBJECT TO OXIDATIVE DETERIORATION CONTAINING, AS AN INHIBITOR AGAINST SAID DETERIORATION, A STABILIZING CONCENTRATION OF 2,4''-DIAMINODIPHENYL ETHER.
References Cited (Backward Citations)
US2048362A
Cited
US2269265A
Cited
US2290860A
Cited
US2367264A
Cited
US2350746A
Cited
US2440530A
Cited
US2523100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |