US2434874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of starch and protein in wheat grain products and extraction of diastase therefrom
Assignee: Individual
•
Filing: 1943-06-05
•
Granted: 1948-01-20
•
Expires: 1963-06-05
Abstract
No abstract record available.
Inventors
- 👤 Irwin W Tucker
- 👤 Arnold K Balls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:01
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/24; C12N9/2402; C12N9/2405; C12N9/2408; C12N9/2411; A; A23; A23J; A23J1/00; A23J1/12; C08; C08B; C08B30/00; C08B30/04; C08B30/042; C08B30/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1153640A
Cited
US1955112A
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US2001925A
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US1964754A
Cited
US2103443A
Cited
DE677662C
Cited
US2228717A
Cited
US2322413A
Cited
US2368668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-19 | 1951-07-21 | 1952-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-19 | 1955-07-21 | 1956-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-19 | 1959-07-21 | 1960-01-20 | $7700.00 | Window Closed / Lapsed |