US2948680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions
Assignee: Standard Oil Co
•
Filing: 1957-03-15
•
Granted: 1960-08-09
•
Expires: 1977-03-15
Abstract
No abstract record available.
Inventors
- 👤 Ellis K Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:14
CPC Classifications
C; C07; C07D; C07D409/00; C07D409/02; C07D409/06; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/24; C07D215/26; C10; C10M; C10M133/00; C10M133/02; C10M133/38; C10M2207/00; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2223/00; C10M2223/12; C10M2223/121; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR PROPORTION OF AN OLEAGINOUS COMPOUND AND FROM ABOUT 0.01% TO ABOUT 10% OF AN OIL-SOLUBLE COMPOUND SELECTED FROM THE CLASS CONSISTING OF A COMPOUND HAVING THE GENERAL STRUCTURAL FORMULA
Claim 2
Dependent Claim
35 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR PROPORTION OF AN OLEAGINOUS COMPOUND AND FROM ABOUT 0.01% TO ABOUT 10% OF AN OIL-SOLUBLE COMPOUND SELECTED FROM THE CLASS CONSISTING OF A COMPOUND HAVING THE GENERAL STRUCTURAL FORMULA
References Cited (Backward Citations)
US2198961A
Cited
US2223411A
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US2316082A
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US2298640A
Cited
US2458526A
Cited
GB738093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |