US3809618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fermentation installation
Assignee: Chemap AG
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Filing: 1972-06-07
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Granted: 1974-05-07
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Expires: 1992-06-07
Abstract
Abstract TWO ENCLOSED CHAMBERS ARE PROVIDED, IN ONE OF WHICH A FERMENTATION SYSTEM IS LOCATED, INCLUDING A PLURALITY OF VESSELS. THE REGULATING DEVICES FOR REGULATING THE OPERATION OF THE FERMENTATION SYSTEM ARE LOCATED IN THE OTHER CHAMBER AND OPERATIVELY ASSOCIATED WITH THE FERMENTATION SYSTEM. A CONTROL UNIT, INCLUDING A RECEPTACLE, IS ALSO LOCATED IN THE OTHER CHAMBER AND CONNECTED WITH THE FERMENTATION SYSTEM IN SUCH A MANNER THAT ITS RECEPTACLE CAB BE SELECTIVELY CONNECTED WITH THE RESPECTIVE VESSELS OF THE SYSTEM.
Inventors
- 👤 H Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:01
CPC Classifications
C; C12; C12M; C12M23/00; C12M23/58; C12M23/34; C12M37/00
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) | 1977-05-06 | 1977-11-05 | 1978-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-06 | 1981-11-05 | 1982-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-06 | 1985-11-05 | 1986-05-07 | $7700.00 | Window Closed / Lapsed |