US2354547A
Expired / Lapsed
US
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Lubricating oil composition
Assignee: Standard Oil Development Co
•
Filing: 1941-08-30
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Granted: 1944-07-25
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Expires: 1961-08-30
Abstract
No abstract record available.
Inventors
- 👤 Roger W Richardson
- 👤 Floyd L Miller
- 👤 Winning Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:30
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/027; C10M2207/04; C10M2207/08; C10M2207/09; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/28; C10M2215/00; C10M2215/02; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10N; C10N2010/00; C10N2010/14; C10N2010/16
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) | 1947-07-25 | 1948-01-24 | 1948-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-07-25 | 1952-01-24 | 1952-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-07-25 | 1956-01-24 | 1956-07-25 | $7700.00 | Window Closed / Lapsed |