US2657174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous manufacture of yeast
Assignee: Individual
•
Filing: 1950-04-14
•
Granted: 1953-10-27
•
Expires: 1970-04-14
Abstract
No abstract record available.
Inventors
- 👤 Stich Eugen Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:39
CPC Classifications
C; C12; C12M; C12M23/00; C12M23/34; C12M29/00; C12M29/06; C12M29/08; C12M29/26; Y; Y10; Y10S; Y10S435/00; Y10S435/813; Y10S435/818; Y10S435/819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
METHOD FOR THE CONTINUOUS MANUFACTURE OF YEAST, COMPRISING WITHDRAWING YEAST-CONTAINING MASH FROM THE BOTTOM OF A FERMENTATION CHAMBER, CAUSING THE MASH TO FLOW UPWARDLY OUTSIDE SAID CHAMBER, COOLING THE MASH ADDING NUTRITIVE SOLUTION TO THE MASH, CAUSING THE MIXTURE OF MASH AND NUTRITIVE SOLUTION TO ENTER THE FERMENTATION CHAMBER AT ITS TOP, EVENTLY DISTRIBUTING SAID MIXTURE OVER THE AREA OF THE CHAMBER, CAUSING THE DISTRIBUTED MIXTURE TO ACT UPON FOAM PRODUCED DURING FERMENTATION, ALLOWING THE MIXTURE TO FLOW DOWNWARDLY, INTRODUCING AIR INTO THE FERMENTATION CHAMBER NEAR ITS BOTTOM, BREAKING UP THE AIR INTO BUBBLES AND ALLOWING THE AIR BUBBLES TO RISE IN COUNTER-CURRENT TO THE PATH OF SAID MIXTURE WITHIN THE FERMENTATION CHAMBER, WHEREBY THE DIFFUSION SURFACE OF THE AIR BUBBLES
Claim 2
Dependent Claim
121 words
METHOD FOR THE CONTINUOUS MANUFACTURE OF YEAST, COMPRISING WITHDRAWING YEAST-CONTAINING MASH FROM THE BOTTOM OF A FERMENTATION CHAMBER, CAUSING THE MASH TO FLOW UPWARDLY OUTSIDE SAID CHAMBER, COOLING THE MASH ADDING NUTRITIVE SOLUTION TO THE MASH, CAUSING THE MIXTURE OF MASH AND NUTRITIVE SOLUTION TO ENTER THE FERMENTATION CHAMBER AT ITS TOP, EVENTLY DISTRIBUTING SAID MIXTURE OVER THE AREA OF THE CHAMBER, CAUSING THE DISTRIBUTED MIXTURE TO ACT UPON FOAM PRODUCED DURING FERMENTATION, ALLOWING THE MIXTURE TO FLOW DOWNWARDLY, INTRODUCING AIR INTO THE FERMENTATION CHAMBER NEAR ITS BOTTOM, BREAKING UP THE AIR INTO BUBBLES AND ALLOWING THE AIR BUBBLES TO RISE IN COUNTER-CURRENT TO THE PATH OF SAID MIXTURE WITHIN THE FERMENTATION CHAMBER, WHEREBY THE DIFFUSION SURFACE OF THE AIR BUBBLES
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |