Patent US2951808A successfully refreshed from Google Patents.
US2951808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions containing metal salts of aromatic hydroxy carboxylic acids as antioxidants
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-12-31
•
Granted: 1960-09-06
•
Expires: 1977-12-31
Abstract
No abstract record available.
Inventors
- 👤 James H Norton
- 👤 Warren C Pattenden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:39
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/10; C10M2201/102; C10M2201/103; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/026; C10M2205/14; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/144; C10M2207/146; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/32; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A LUBRICATING COMPOSITION COMPRISING LUBRICATING OIL AND AN OXIDATION INHIBITING AMOUNT OF A DI-ALKALI METAL SALT OF A HYDROXY BENZOIC ACID.
Claim 2
Dependent Claim
21 words
A LUBRICATING COMPOSITION COMPRISING LUBRICATING OIL AND AN OXIDATION INHIBITING AMOUNT OF A DI-ALKALI METAL SALT OF A HYDROXY BENZOIC ACID.
References Cited (Backward Citations)
US2182137A
Cited
US2197832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |