US2147241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of fatty acid esters from starch factory byproducts
Assignee: Corn Products Refining Co
•
Filing: 1937-08-14
•
Granted: 1939-02-14
•
Expires: 1957-08-14
Abstract
No abstract record available.
Inventors
- 👤 Cantor Sidney Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:11
CPC Classifications
C; C07; C07H; C07H13/00; C07H13/02; C07H13/04; C07H13/06; C07C; C07C69/00; C07C69/02; C07C69/22; C08; C08B; C08B31/00; C08B31/08; C08B31/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1942-02-13 | 1942-08-15 | 1943-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-13 | 1946-08-15 | 1947-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-13 | 1950-08-15 | 1951-02-14 | $7700.00 | Window Closed / Lapsed |