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US2500951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of alcoholic liquor
Assignee: Disticraft Inc
•
Filing: 1947-05-13
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Granted: 1950-03-21
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Expires: 1967-05-13
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:12
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/001; C; C12; C12H; C12H1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE PROCESS OF TREATING RAW ALCOHOLIC LIQUORS CONTAINING DELETERIOUS COMPONENTS OF THE HIGHER ALCOHOLS WHICH COMPRISES SUBJECTING THE LIQUOR REPEATEDLY TO CRACKING BY ADMIXTURE WITH COMPRESSED AIR AND EXPLOSIVE RELEASE INTO A CONFINED SPACE, AND THEN TO THE INFLUENCE OF HEAT AND TO PRESSURE ABOVE ATMOSPHERIC AND MINGLING THE LIQUOR WITH AIR PRIOR AND SUBSEQUENT TO CRACKING TO SEPARATE THE DETERIOUS
Claim 2
Dependent Claim
61 words
THE PROCESS OF TREATING RAW ALCOHOLIC LIQUORS CONTAINING DELETERIOUS COMPONENTS OF THE HIGHER ALCOHOLS WHICH COMPRISES SUBJECTING THE LIQUOR REPEATEDLY TO CRACKING BY ADMIXTURE WITH COMPRESSED AIR AND EXPLOSIVE RELEASE INTO A CONFINED SPACE, AND THEN TO THE INFLUENCE OF HEAT AND TO PRESSURE ABOVE ATMOSPHERIC AND MINGLING THE LIQUOR WITH AIR PRIOR AND SUBSEQUENT TO CRACKING TO SEPARATE THE DETERIOUS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |