US2514017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: Shell Development Co
•
Filing: 1948-08-31
•
Granted: 1950-07-04
•
Expires: 1968-08-31
Abstract
No abstract record available.
Inventors
- 👤 Wachter Aaron
- 👤 Stillman Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:50
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/23; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2209/00; C10M2209/10; C10M2209/101; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/18; C10M2215/20; C10M2215/204; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10N; C10N2010/00; C10N2010/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A LUBRICANT COMPRISING A PREDOMINANT AMOUNT OF A MINERAL LUBRICATING OIL AND FROM ABOUT 0.001% TO ABOUT 5% BY WEIGHT OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
26 words
A LUBRICANT COMPRISING A PREDOMINANT AMOUNT OF A MINERAL LUBRICATING OIL AND FROM ABOUT 0.001% TO ABOUT 5% BY WEIGHT OF A COMPOUND HAVING 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) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |