US2346356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy duty lubricant
Assignee: Standard Oil Co
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Filing: 1940-06-11
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Granted: 1944-04-11
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Expires: 1960-06-11
Abstract
No abstract record available.
Inventors
- 👤 Robert E Burk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:48
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/04; C10M2201/06; C10M2201/065; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2211/00; C10M2211/02; C10M2211/024; C10M2211/04; C10M2211/044; C10M2211/06; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/067; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/086; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/061; C10M2227/00; C10M2227/08; C10M2227/081; C10N; C10N2010/00; C10N2010/06; C10N2010/10
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) | 1947-04-11 | 1947-10-11 | 1948-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-11 | 1951-10-11 | 1952-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-11 | 1955-10-11 | 1956-04-11 | $7700.00 | Window Closed / Lapsed |