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US1917875A
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Lubricating oil and method of making the same
Assignee: Standard Oil Development Co
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Filing: 1929-05-17
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Granted: 1933-07-11
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Expires: 1949-05-17
Abstract
No abstract record available.
Inventors
- 👤 Garland H B Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:32
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10N; C10N2060/00; C10N2060/04
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) | 1936-07-10 | 1937-01-09 | 1937-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-10 | 1941-01-09 | 1941-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-10 | 1945-01-09 | 1945-07-11 | $7700.00 | Window Closed / Lapsed |