US3732167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor oil composition
Assignee: Texaco Inc
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Filing: 1970-12-24
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Granted: 1973-05-08
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Expires: 1990-12-24
Abstract
Abstract MOTOR OIL COMPOSITION COMPRISING A MINERAL LUBRICATING OIL CONTAINING IN COMBINATION AN ALKYLATED DIPHENYLAINE, A ZINC DIHYDROCARBYL DITHIOPHOSPHATE, A HYDROXYALKYL HYDROCARBLY THIOPHOSPHONATE, A NITROGEN-CONTAINING METHACRYLATE POLYMER AND AN OVERBASED CALCIUM SULFONATE AND METHOD FOR OPERATING AN INTERNAL COMBUSTION RECIPROCATING ENGINE.
Inventors
- 👤 W Foucher
- 👤 W Siegart
- 👤 H Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:15
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2219/00; C10M2219/04; C10M2219/046; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/06; C10M2223/065; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |