US2308599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of lubricants containing lead soap of hydrogenated ricinoleic acid
Assignee: INTERNAT LUBRICANT CORP
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Filing: 1940-07-25
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Granted: 1943-01-19
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Expires: 1960-07-25
Abstract
No abstract record available.
Inventors
- 👤 Harold M Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:47
CPC Classifications
C; C10; C10M; C10M169/00; C10M169/06; C10M169/02; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/128; C10M2207/129; C10M2207/20; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2290/00; C10M2290/10; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
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) | 1946-01-18 | 1946-07-20 | 1947-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-18 | 1950-07-20 | 1951-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-18 | 1954-07-20 | 1955-01-19 | $7700.00 | Window Closed / Lapsed |