US3329611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil composition
Assignee: Sinclair Research Inc
•
Filing: 1965-03-17
•
Granted: 1967-07-04
•
Expires: 1985-03-17
Abstract
No abstract record available.
Inventors
- 👤 Tai S Chao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:14
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/08; C10M2207/09; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/124; C10M2207/125; C10M2207/128; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/22; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/288; C10M2207/30; C10M2207/302; C10M2207/304; C10M2207/34; C10M2207/40; C10M2207/402; C10M2209/00; C10M2209/10; C10M2209/102; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/109; C10M2209/11; C10M2209/111; C10M2209/112; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/044; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/08; C10M2215/082; C10M2215/12; C10M2215/14; C10M2215/20; C10M2215/202; C10M2215/24; C10M2215/26; C10M2215/28; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/08; C10M2219/082; C10M2219/085; C10M2219/087; C10M2219/089; C10M2219/10; C10M2219/104; C10M2219/108; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/015; C10N2050/02; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A NORMALLY LIQUID LUBRICATING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A NORMALLY LIQUID, CARBOXYLIC ACID ESTER BASE OIL OF LUBRICATING VISCOSITY HAVING DISSOLVED THEREIN A SMALL EFFECTIVE AMOUNT OF AN ESTER OIL-SOLUBLE, AROMATIC AMINE ANTI-OXIDANT HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
42 words
A NORMALLY LIQUID LUBRICATING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A NORMALLY LIQUID, CARBOXYLIC ACID ESTER BASE OIL OF LUBRICATING VISCOSITY HAVING DISSOLVED THEREIN A SMALL EFFECTIVE AMOUNT OF AN ESTER OIL-SOLUBLE, AROMATIC AMINE ANTI-OXIDANT HAVING THE GENERAL FORMULA:
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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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |