US2641578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compounded lubricating oil
Assignee: Standard Oil Development Co
•
Filing: 1950-03-16
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Granted: 1953-06-09
•
Expires: 1970-03-16
Abstract
No abstract record available.
Inventors
- 👤 Charles A Weisel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:42
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M131/00; C10M131/08; C10M131/10; C10M133/00; C10M133/02; C10M133/04; C10M133/06; C10M137/00; C10M137/02; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2211/00; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/20; C10M2215/202; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/02; C10M2219/024; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/047; C10M2223/049; C10M2223/10; C10M2227/00; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/02; C10N2040/135; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL CONTAINING DISSOLVED THEREIN 0.01 TO 10% OF AN AMINE SALT OF PENTACHLOROPHENOL, THE AMINE PORTION OF SAID SALT CONTAINING A TOTAL OF NOT LESS THAN EIGHT CARBON ATOMS AND IS A MEMBER OF THE CLASS CONSISTING OF ALIPHATIC AND CYCLOALIPHATIC AMINES.
Claim 2
Dependent Claim
50 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL CONTAINING DISSOLVED THEREIN 0.01 TO 10% OF AN AMINE SALT OF PENTACHLOROPHENOL, THE AMINE PORTION OF SAID SALT CONTAINING A TOTAL OF NOT LESS THAN EIGHT CARBON ATOMS AND IS A MEMBER OF THE CLASS CONSISTING OF ALIPHATIC AND CYCLOALIPHATIC AMINES.
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) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |