US3002894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for controlling the growth of microbial cultures
Assignee: Patentauswertung Vogelbusch GmbH
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Filing: 1959-11-09
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Granted: 1961-10-03
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Expires: 1979-11-09
Abstract
No abstract record available.
Inventors
- 👤 Rungaldier Karl
- 👤 Braun Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:27
CPC Classifications
C; C12; C12M; C12M41/00; C12M41/30; C12M41/34; C12M41/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A METHOD OF GROWING YEAST IN AN AQUEOUS CULTURE IN WHICH ALCOHOL IS PRODUCED BY FERMENTATION OF A NUTRIENT MATERIAL, THE STEPS OF PASSING AIR THROUGH SAID CULTURE AT A RATE PERMITTING SATURATION OF SAID AIR WITH THE MOISTURE AND THE ALCOHOL OF SAID CULTURE, SENSING THE CONCENTRATION OF SAID ALCOHOL IN SAID AIR AFTER PASSAGE THROUGH SAID CULTURE, GENERATING A SIGNAL RESPONSIVE TO SAID SENSED CONCENTRATION, AND CONTROLLING THE SUPPLY OF GROWTH CONTROLLING MATERIAL TO SAID CULTURE BY SAID SIGNAL.
Claim 2
Dependent Claim
82 words
IN A METHOD OF GROWING YEAST IN AN AQUEOUS CULTURE IN WHICH ALCOHOL IS PRODUCED BY FERMENTATION OF A NUTRIENT MATERIAL, THE STEPS OF PASSING AIR THROUGH SAID CULTURE AT A RATE PERMITTING SATURATION OF SAID AIR WITH THE MOISTURE AND THE ALCOHOL OF SAID CULTURE, SENSING THE CONCENTRATION OF SAID ALCOHOL IN SAID AIR AFTER PASSAGE THROUGH SAID CULTURE, GENERATING A SIGNAL RESPONSIVE TO SAID SENSED CONCENTRATION, AND CONTROLLING THE SUPPLY OF GROWTH CONTROLLING MATERIAL TO SAID CULTURE BY SAID SIGNAL.
References Cited (Backward Citations)
US2013727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |