US2174246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing wax modifying agents
Assignee: Standard Oil Development Co
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Filing: 1937-05-26
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Granted: 1939-09-26
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Expires: 1957-05-26
Abstract
No abstract record available.
Inventors
- 👤 Lieber Eugene
- 👤 Martin M Sadlon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:00
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10G; C10G73/00; C10G73/02; C10G73/04; C10M2203/00; C10M2203/06; C10M2205/00; C10M2205/22; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2211/00; C10M2211/02; C10M2211/04; C10M2211/042; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/06
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) | 1942-09-25 | 1943-03-27 | 1943-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-09-25 | 1947-03-27 | 1947-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-09-25 | 1951-03-27 | 1951-09-26 | $7700.00 | Window Closed / Lapsed |