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Patent US2206819A successfully refreshed from Google Patents.
US2206819A
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Prolamin solutions and method of preparing same
Assignee: Commercial Solvents Corp
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Filing: 1939-01-28
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Granted: 1940-07-02
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Expires: 1959-01-28
Abstract
No abstract record available.
Inventors
- 👤 Martin Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:27
CPC Classifications
D; D01; D01F; D01F4/00; C; C08; C08L; C08L89/00; C09; C09D; C09D189/00
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) | 1943-07-02 | 1944-01-01 | 1944-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-02 | 1948-01-01 | 1948-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-02 | 1952-01-01 | 1952-07-02 | $7700.00 | Window Closed / Lapsed |