US2521397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fermenting and ripening of beer
Assignee: Individual
•
Filing: 1948-01-02
•
Granted: 1950-09-05
•
Expires: 1968-01-02
Abstract
No abstract record available.
Inventors
- 👤 Muller Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:39
CPC Classifications
C; C12; C12C; C12C11/00; C12C11/003; C12C11/006; Y; Y10; Y10S; Y10S261/00; Y10S261/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
THE PROCESS OF FERMENTING BEERS IN A FERMENTATION ZONE, COMPRISING REDUCING THE SURFACE AREA OF THE FERMENTATE BY FLOATING THEREON AN ANNULAR FLOAT, THE OUTER PERIPHERY OF SAID FLOAT COVERING THE PERIPHERY OF THE FERMENTATE, AND THE INNER PERIPHERY OF SAID FLOAT CONTROLLING THE EXPOSED SURFACE AREA OF SAID FERMENTATE.
Claim 2
Dependent Claim
50 words
THE PROCESS OF FERMENTING BEERS IN A FERMENTATION ZONE, COMPRISING REDUCING THE SURFACE AREA OF THE FERMENTATE BY FLOATING THEREON AN ANNULAR FLOAT, THE OUTER PERIPHERY OF SAID FLOAT COVERING THE PERIPHERY OF THE FERMENTATE, AND THE INNER PERIPHERY OF SAID FLOAT CONTROLLING THE EXPOSED SURFACE AREA OF SAID FERMENTATE.
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) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |