US3057785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fermentation vessel and process
Assignee: Distillers Co Yeast Ltd
•
Filing: 1959-10-15
•
Granted: 1962-10-09
•
Expires: 1979-10-15
Abstract
No abstract record available.
Inventors
- 👤 Olsen Arne Jorgen Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:35
CPC Classifications
C; C12; C12M; C12M47/00; C12M47/18; C12M23/00; C12M23/02; C12M23/06; C12M23/36; C12M29/00; C12M29/20; C12M29/24; Y; Y10; Y10S; Y10S435/00; Y10S435/813; Y10S435/819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A FERMENTER FOR USE IN CONTINUOUS YEAST FERMENTATION, COMPRISING AN ELONGATED FLUID-TIGHT VESSEL DIVIDED INTO A SERIES OF SECTIONS WHICH INTERCOMMUNICATE FOR THE PASSAGE OF LIQIUD, EACH SUCCEEDING SECTION BEING GREATER IN VOLUME THAN THE PRECEDING SECTION, MAEANS POSITIONED BETWEEN ADJACENT SECTIONS FOR WITHDRAWING GAS FROM SAID SECTIONS, MEANS FOR WASHING AND RECIRCULATING SAID WITHDRAWN GAS BACK TO THE VESSEL AND MEANS POSITIONED AT ONE END OF THE VESSEL FOR WITHDRAWING LIQUID THEREFROM.
Claim 2
Dependent Claim
73 words
A FERMENTER FOR USE IN CONTINUOUS YEAST FERMENTATION, COMPRISING AN ELONGATED FLUID-TIGHT VESSEL DIVIDED INTO A SERIES OF SECTIONS WHICH INTERCOMMUNICATE FOR THE PASSAGE OF LIQIUD, EACH SUCCEEDING SECTION BEING GREATER IN VOLUME THAN THE PRECEDING SECTION, MAEANS POSITIONED BETWEEN ADJACENT SECTIONS FOR WITHDRAWING GAS FROM SAID SECTIONS, MEANS FOR WASHING AND RECIRCULATING SAID WITHDRAWN GAS BACK TO THE VESSEL AND MEANS POSITIONED AT ONE END OF THE VESSEL FOR WITHDRAWING LIQUID THEREFROM.
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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |