US2863773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
dalmau
Assignee: —
•
Filing: —
•
Granted: 1958-12-09
•
Expires: 1975-12-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:07
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/70; A23L2/80
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
A METHOD OF PURIFYING RAW, DISTILLED SPRIT THAT CONSISTS IN PROVIDING A BATCH OF RAW SPIRIT, HEATING THE BATCH TO VAPORIZE THE SAME, PASSING ALL THE SPIRIT VAPOR INTO A BED OF VEGETABLE CHARCOAL, CONDUCTING VAPOR FROM THE BED OUTSIDE THE SAME AND CONDENSING IT, RETURNING THE CONDENSED SPIRIT TO THE BED AND THENCE TO THE BATCH AND RE-
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) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |