US3799845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beer distillation
Assignee: Badger Co Inc
•
Filing: 1971-07-06
•
Granted: 1974-03-26
•
Expires: 1991-07-06
Abstract
Abstract BEERS HAVING ADHESIVE SOLIDS TENDING TO DEPOSIT AND BLOCK THE INTERSTICES OF ORDINARY SIEVE TRAYS ARE DISTILLED IN A COLUMN STILL WITH EASY TWO-WAY GAS AND LIQUID FLOW BY USING PERFORATED PLATES HAVING PERFORATIONS EXCEEDING ONE-HALF INCH IN DIAMETER EVENYL DISTRIBUTED IN A PATTERN THROUGHOUT THE TRAY SURFACE TO PROVIDE A NORMAL LOW PRESSURE DROP.
Inventors
- 👤 F Love
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:50
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/22; B01D3/001
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |