US2121533A
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Method of carrying out certain oxidative fermentation processes by bacteria
Assignee: HENRY A WALLACE
•
Filing: 1937-04-12
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Granted: 1938-06-21
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Expires: 1957-04-12
Abstract
No abstract record available.
Inventors
- 👤 Percy A Wells
- 👤 Lewis B Lockwood
- 👤 Joseph J Stubbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:13
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/26; C; C12; C12P; C12P1/00; C12P19/00; C12P19/02; C12P7/00; C12P7/40; H03; H03D; H03D5/00; H04B1/28; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/823
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) | 1941-06-20 | 1941-12-20 | 1942-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-20 | 1945-12-20 | 1946-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-20 | 1949-12-20 | 1950-06-21 | $7700.00 | Window Closed / Lapsed |