US2285465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yeast propagation
Assignee: Standard Brands Inc
•
Filing: 1940-11-08
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Granted: 1942-06-09
•
Expires: 1960-11-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred S Schultz
- 👤 Atkin Lawrence
- 👤 Charles N Frey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:04
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/38; C12N1/14; C12N1/16; C12N1/18; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/94; Y10S435/942
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) | 1945-06-08 | 1945-12-08 | 1946-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-08 | 1949-12-08 | 1950-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-08 | 1953-12-08 | 1954-06-09 | $7700.00 | Window Closed / Lapsed |