Patent US2475133A successfully refreshed from Google Patents.
US2475133A
Expired / Lapsed
US
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Fortifying grain products
Assignee: F Hoffmann La Roche AG
•
Filing: 1947-07-08
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Granted: 1949-07-05
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Expires: 1967-07-08
Abstract
No abstract record available.
Inventors
- 👤 Furter Max Frank
- 👤 Werner M Lauter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:32
CPC Classifications
A; A23; A23L; A23L7/00; A23L7/10; A23L7/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US874310A
Cited
US2128973A
Cited
US2275565A
Cited
US2218592A
Cited
US2284804A
Cited
US2381343A
Cited
US2390210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |