US2552525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the dehydration of water-bearing substances
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1949-07-30
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Granted: 1951-05-15
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Expires: 1969-07-30
Abstract
No abstract record available.
Inventors
- 👤 Wenzelberger Elwood Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:07
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A DEHYDRATION APPARATUS, A PLURALITY OF TANKS, A COMMON HEADER CONNECTED TO SAID TANKS, A CENTRIFUGE CONNECTED TO SAID HEADERS, MEANS OF RETURNING LIQUID EXTRACTED BY SAID CENTRIFUGE TO EACH OF SAID TANKS IN SUCCESSION AND MEANS IN EACH TANK TO MAINTAIN THE CONTENTS THEREOF IN A STATE OF TURBULENCE COMPRISING A STIRRER SCRAPER OPERATING IN ONE DIRECTION AND A PROPELLER MOVING THE CONTENTS OF THE TANK VERTICALLY AT RIGHT ANGLES TO THE STIRRING AND SHEARING ACTION OF THE STIRRER SCRAPER.
Claim 2
Dependent Claim
82 words
IN A DEHYDRATION APPARATUS, A PLURALITY OF TANKS, A COMMON HEADER CONNECTED TO SAID TANKS, A CENTRIFUGE CONNECTED TO SAID HEADERS, MEANS OF RETURNING LIQUID EXTRACTED BY SAID CENTRIFUGE TO EACH OF SAID TANKS IN SUCCESSION AND MEANS IN EACH TANK TO MAINTAIN THE CONTENTS THEREOF IN A STATE OF TURBULENCE COMPRISING A STIRRER SCRAPER OPERATING IN ONE DIRECTION AND A PROPELLER MOVING THE CONTENTS OF THE TANK VERTICALLY AT RIGHT ANGLES TO THE STIRRING AND SHEARING ACTION OF THE STIRRER SCRAPER.
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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |