US2137667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modifying natural fats, oils, and waxes
Assignee: IND CHEMICAL RES Co
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Filing: 1936-12-08
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Granted: 1938-11-22
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Expires: 1956-12-08
Abstract
No abstract record available.
Inventors
- 👤 William R Eipper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:27
CPC Classifications
A; A23; A23G; A23G1/00; A23G1/30; A23G1/32; A23G1/40; A23D; A23D7/00; A23D7/01; A23D7/013; A23G1/36; C; C07; C07H; C07H13/00; C07H13/02; C07H13/04; C07H13/06; C11; C11B; C11B3/00; C11C; C11C3/00; C11C3/003
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) | 1941-11-21 | 1942-05-23 | 1942-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-21 | 1946-05-23 | 1946-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-21 | 1950-05-23 | 1950-11-22 | $7700.00 | Window Closed / Lapsed |