US3154490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral lubricating oil compositions
Assignee: Pure Oil Co
•
Filing: 1961-06-14
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Granted: 1964-10-27
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Expires: 1981-06-14
Abstract
No abstract record available.
Inventors
- 👤 Rai Charanjit
- 👤 John B Braunwarth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:39
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/64; C09; C09K; C09K5/00; C09K5/02; C10; C10M; C10M1/00; C10M1/08; D; D06; D06M; D06M13/00; D06M13/322; D06M13/35; D06M13/352; C10M2205/00; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/282; C10M2207/34; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A MINERAL OIL COMPOSITION COMPRISING A MAJOR PORTION OF A MINERAL OIL AND ABOUT 0.5 TO 3.0, BY WEIGHT OF AN ANTIOXIDANT OF THE FORMULA,
Claim 2
Dependent Claim
25 words
A MINERAL OIL COMPOSITION COMPRISING A MAJOR PORTION OF A MINERAL OIL AND ABOUT 0.5 TO 3.0, BY WEIGHT OF AN ANTIOXIDANT OF THE FORMULA,
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |