US2448927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for processing yeast
Assignee: JOHN E MISTARZ
•
Filing: 1942-06-19
•
Granted: 1948-09-07
•
Expires: 1962-06-19
Abstract
No abstract record available.
Inventors
- 👤 Albert M Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:07
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/02; C12M; C12M47/00; C12M47/02; C12M47/12
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-07 | 1952-03-08 | 1952-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-07 | 1956-03-08 | 1956-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-07 | 1960-03-08 | 1960-09-07 | $7700.00 | Window Closed / Lapsed |