US2419960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of fermenting sugars by mixed yeasts
Assignee: Publicker Ind Inc
•
Filing: 1943-11-16
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Granted: 1947-05-06
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Expires: 1963-11-16
Abstract
No abstract record available.
Inventors
- 👤 David A Legg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:06
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/02; C12P7/04; C12P7/06; C12P7/14; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-05 | 1950-11-04 | 1951-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-05 | 1954-11-04 | 1955-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-05 | 1958-11-04 | 1959-05-06 | $7700.00 | Window Closed / Lapsed |