US3575813A
Expired / Lapsed
US
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Continuous fermentation apparatus
Assignee: Nestec SA
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Filing: 1967-11-29
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Granted: 1971-04-20
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Expires: 1987-11-29
Abstract
Abstract A CONTINUOUS METHOD AND APPARATUS FOR FERMENTING MEDIUM IN THIN LAYERS ON SUPERPOSED PLATES IN A COLUMN, PASS AIR COUNTERCURRENTLY AND UNIFORMLY THROUGH THE THIN LAYERS AND MEANS FOR VARYING THE TEMPERATURE OF THE THIN LAYERS OF THE MEDIUM. D R A W I N G
Inventors
- 👤 Willy Rothmayr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:07
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/20; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/18; C; C12; C12M; C12M23/00; C12M23/02; C12M23/04; C12M27/00; C12M27/18; C12M27/20; C12M29/00; C12M41/00; C12M41/12; C12M41/18; C12M41/24
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |