Patent US2298317A successfully refreshed from Google Patents.
US2298317A
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US
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Manufacture of lubricating greases
Assignee: Gulf Oil Corp
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Filing: 1940-08-27
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Granted: 1942-10-13
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Expires: 1960-08-27
Abstract
No abstract record available.
Inventors
- 👤 Herschel G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:54
CPC Classifications
C; C10; C10M; C10M177/00; B; B01; B01D; B01D19/00; B01D19/0042; B01D19/0052; B01F; B01F27/00; B01F27/80; B01F27/84; B01F35/00; B01F35/90; B01F35/92; B01J; B01J19/00; B01J19/18; B01J19/1868; B01J19/1875; B01J19/20; B01F27/05; B01F27/09; B01F27/091; B01F27/11; B01F27/15; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/00063; B01J2219/00074; B01J2219/00087; B01J2219/0009; B01J2219/0015; B01J2219/00245; B01J2219/00252; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10; C10N2070/00
Claims Analysis
Total Claims: 0
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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) | 1945-10-12 | 1946-04-13 | 1946-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-12 | 1950-04-13 | 1950-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-12 | 1954-04-13 | 1954-10-13 | $7700.00 | Window Closed / Lapsed |