US2631777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for centrifugal separation of yeast cells from beer
Assignee: Alfa Laval Holdings Amsterdam AB
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Filing: 1949-08-17
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Granted: 1953-03-17
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Expires: 1969-08-17
Abstract
No abstract record available.
Inventors
- 👤 Hanno Tore Verner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:55
CPC Classifications
C; C12; C12H; C12H1/00; C12H1/02; C12H1/06; C12H1/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US544080A
Cited
US2003621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |