US2694046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil composition
Assignee: Sinclair Refining Co
•
Filing: 1952-03-21
•
Granted: 1954-11-09
•
Expires: 1972-03-21
Abstract
No abstract record available.
Inventors
- 👤 Dorinson Amos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:41
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10N; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
60 words
A LUBRICATING OIL COMPOSITION WHICH COMPRISES A MINERAL LUBRICATING OIL HAVING INCORPORATED THEREIN ABOUT 0.5 TO ABOUT 4 WEIGHT PER CENT OF THE PRODUCT FORMED BY THE REACTION OF ABOUT 45 PARTS OF SULFUR MONOCHLORIDE AND A MIXTURE COMPRISING ABOUT 100 PARTS OF ALPHA-PINENE AND ABOUT 100 PARTS OF OLEIC ACID AT A TEMPERATURE OF ABOUT 140* TO 158* F.
References Cited (Backward Citations)
US2422275A
Cited
US2606182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |