US2415426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the isolation of proteins
Assignee: Individual
•
Filing: 1943-11-27
•
Granted: 1947-02-11
•
Expires: 1963-11-27
Abstract
No abstract record available.
Inventors
- 👤 Sherburne B Henning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:31
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2238329A
Cited
US2246466A
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US2274983A
Cited
US1866698A
Cited
US2331619A
Cited
US2284700A
Cited
US2260640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-10 | 1950-08-12 | 1951-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-10 | 1954-08-12 | 1955-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-10 | 1958-08-12 | 1959-02-11 | $7700.00 | Window Closed / Lapsed |