US3247111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature jet lubricant
Assignee: ExxonMobil Oil Corp
•
Filing: 1963-04-08
•
Granted: 1966-04-19
•
Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 Edward A Oberright
- 👤 Herbert L Hepplewhite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:29
CPC Classifications
C; C10; C10M; C10M169/00; C10M169/04; C10M169/044; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/026; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/30; C10M2207/302; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/044; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/10; C10M2215/14; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2030/00; C10N2030/08; C10N2030/12; C10N2040/00; C10N2040/12; C10N2040/13; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A LUBRICANT COMPRISING: (A) A MAJOR PROPORTION OF AN ESTER FORMED BY THE REACTION OF A PENTAERYTHRITOL SELECTED FROM THE GROUP CONSISTING OF PENTAERYTHRITOL, DI-PENTAERYTHRITOL, TRIPENTAERYTHRITOL, TETRA-PENTAERYTHRIOL AND MIXTURES THEREOF AND AN ORGANIC MONOCARBOXYLIC ACID HAVING FROM ABOUT 2 TO ABOUT 18 CARBON ATOMS PER MOLECULE; (B) FROM ABOUT 0.5% TO ABOUT 5% BY WEIGHT OF THE LUBRICANT OF AN ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF A PHENLYNAPHTHYLAMINE HAVING THE STRUCTURE
Claim 2
Dependent Claim
72 words
A LUBRICANT COMPRISING: (A) A MAJOR PROPORTION OF AN ESTER FORMED BY THE REACTION OF A PENTAERYTHRITOL SELECTED FROM THE GROUP CONSISTING OF PENTAERYTHRITOL, DI-PENTAERYTHRITOL, TRIPENTAERYTHRITOL, TETRA-PENTAERYTHRIOL AND MIXTURES THEREOF AND AN ORGANIC MONOCARBOXYLIC ACID HAVING FROM ABOUT 2 TO ABOUT 18 CARBON ATOMS PER MOLECULE; (B) FROM ABOUT 0.5% TO ABOUT 5% BY WEIGHT OF THE LUBRICANT OF AN ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF A PHENLYNAPHTHYLAMINE HAVING THE STRUCTURE
References Cited (Backward Citations)
CA536837A
Cited
US2584784A
Cited
US2672448A
Cited
US2944973A
Cited
US2889281A
Cited
US3000827A
Cited
US3053768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |