US3088911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant containing ashless antiwear additives
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1961-11-09
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Granted: 1963-05-07
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Expires: 1981-11-09
Abstract
No abstract record available.
Inventors
- 👤 Gerald D Staffin
- 👤 Jr Walter K Range
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:23
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/06; C10M2201/062; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/027; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/086; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10N; C10N2040/00; C10N2040/08; C10N2040/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN IMPROVED LUBRICATING COMPOSITION HAVING SUPERIOR ANTIWEAR PROPERTIES WHICH COMPRISES A MAJOR PROPORTION OF AN OIL OF LUBRICATING VISCOSITY GRADE INTO WHICH HAS BEEN INCORPORATED FROM ABOUT 0.01 TO ABOUT 5 WEIGHT PERCENT OF THE MONO SALT OF CHLORENDIC ACID AND AN ALIPHATIC AMINE HAVING IN THE RANGE OF FROM 12 TO 24 CARBON ATOMS.
Claim 2
Dependent Claim
55 words
AN IMPROVED LUBRICATING COMPOSITION HAVING SUPERIOR ANTIWEAR PROPERTIES WHICH COMPRISES A MAJOR PROPORTION OF AN OIL OF LUBRICATING VISCOSITY GRADE INTO WHICH HAS BEEN INCORPORATED FROM ABOUT 0.01 TO ABOUT 5 WEIGHT PERCENT OF THE MONO SALT OF CHLORENDIC ACID AND AN ALIPHATIC AMINE HAVING IN THE RANGE OF FROM 12 TO 24 CARBON ATOMS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |