US3247109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions
Assignee: Chevron USA Inc
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Filing: 1962-04-23
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Granted: 1966-04-19
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Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 Jr George J Benoit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:23
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07C; C07C323/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/28; C10M2207/282; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/085; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A GAS TURBINE LUBRICATING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A DIALKYL DIESTER OF METHOXYSUCCINIC ACID IN WHICH ONE OF THE ESTER-LINKED ALKYL GROUPS IS N-OCTYL AND THE OTHER ESTER-LINKED ALKYL GROUP IS A BRANCHED CHAIN DECYL, A MINOR PROPORTION OF PHENOTHIAZINE SUFFICIENT TO INHIBIT OXIDATION, A MINOR PROPORTION OF TRICRESYL PHOSPHATE SUFFICIENT TO IMPROVE WEAR INHIBITION AND A MINOR PROPORTION OF OCTADECYLAMINE SALT OF DODECYLPHOSPHORIC ACID SUFFICIENT TO IMPROVE THE EXTREME PRESSURE CHARACTERISTICS.
Claim 2
Dependent Claim
77 words
A GAS TURBINE LUBRICATING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF A DIALKYL DIESTER OF METHOXYSUCCINIC ACID IN WHICH ONE OF THE ESTER-LINKED ALKYL GROUPS IS N-OCTYL AND THE OTHER ESTER-LINKED ALKYL GROUP IS A BRANCHED CHAIN DECYL, A MINOR PROPORTION OF PHENOTHIAZINE SUFFICIENT TO INHIBIT OXIDATION, A MINOR PROPORTION OF TRICRESYL PHOSPHATE SUFFICIENT TO IMPROVE WEAR INHIBITION AND A MINOR PROPORTION OF OCTADECYLAMINE SALT OF DODECYLPHOSPHORIC ACID SUFFICIENT TO IMPROVE THE EXTREME PRESSURE CHARACTERISTICS.
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) | 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 |