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US2322012A
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US
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Wax modifying agent and method for making the same
Assignee: Standard Oil Development Co
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Filing: 1941-08-29
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Granted: 1943-06-15
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Expires: 1961-08-29
Abstract
No abstract record available.
Inventors
- 👤 Per K Frolich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:32
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10G; C10G73/00; C10G73/02; C10G73/04; C10M2211/00; C10M2211/08
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) | 1946-06-14 | 1946-12-14 | 1947-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-14 | 1950-12-14 | 1951-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-14 | 1954-12-14 | 1955-06-15 | $7700.00 | Window Closed / Lapsed |