US2492673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conditioning molasses and the like for production of citric acid by fermentation
Assignee: Bayer Corp
•
Filing: 1947-04-21
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Granted: 1949-12-27
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Expires: 1967-04-21
Abstract
No abstract record available.
Inventors
- 👤 John C Woodward
- 👤 Raymond L Snell
- 👤 Richard S Nicholls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:20
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/40; C12P7/44; C12P7/48; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190008305A
Cited
US2006086A
Cited
FR805092A
Cited
FR833631A
Cited
US2191365A
Cited
US2394031A
Cited
US2353771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |