US2947693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil compositions containing metal salts of ricinoleate dithiophosphoric acids
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-04-17
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Granted: 1960-08-02
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Expires: 1979-04-17
Abstract
No abstract record available.
Inventors
- 👤 James M Boyle
- 👤 Charles S Lynch
- 👤 Harold R Ready
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:12
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF LUBRICATING OIL AND ABOUT 0.01 TO 10% BY WEIGHT OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
24 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF LUBRICATING OIL AND ABOUT 0.01 TO 10% BY WEIGHT OF A COMPOUND OF THE FORMULA
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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |