US3255603A
Expired / Lapsed
US
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Freeze crystallization apparatus for separating a solvent
Assignee: Desalination Plants Developers of Zarchin Process Ltd
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Filing: 1964-07-21
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Granted: 1966-06-14
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Expires: 1984-07-21
Abstract
No abstract record available.
Inventors
- 👤 Wallace E Johnson
- 👤 Davids John Hans
- 👤 Dieter K Emmermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:32
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/16; Y; Y10; Y10S; Y10S159/00; Y10S159/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN FREEZING APPARATUS FOR SEPARATING A SOLVENT FROM A SOLUTION, AN EVAPORATING CHAMBER, MEANS FOR INTRODUCING THE SOLUTION INTO SAID EVAPORATING CHAMBER, A CONDENSING CHAMBER, A COMPRESSOR FOR MOVING VAPOR BETWEEN SAID CHAMBERS, SAID CHAMBERS AND COMPRESSOR BEING CONTIGUOUS AND COAXIAL ON A COMMON AXIS INCLUDING THE AXIS OF ROTATION OF THE SHAFT OF THE COMPRESSOR, THE MAJOR AXIS OF THE MEAN FLOW PATH OF VAPOR INTO SAID COMPRESSOR FROM SAID EVAPORATING CHAMBER AND THE MAJOR AXIS OF THE MEANS FLOW PATH OF VAPOR FROM SAID COMPRESSOR INTO SAID CONDENSING
Claim 2
Dependent Claim
90 words
IN FREEZING APPARATUS FOR SEPARATING A SOLVENT FROM A SOLUTION, AN EVAPORATING CHAMBER, MEANS FOR INTRODUCING THE SOLUTION INTO SAID EVAPORATING CHAMBER, A CONDENSING CHAMBER, A COMPRESSOR FOR MOVING VAPOR BETWEEN SAID CHAMBERS, SAID CHAMBERS AND COMPRESSOR BEING CONTIGUOUS AND COAXIAL ON A COMMON AXIS INCLUDING THE AXIS OF ROTATION OF THE SHAFT OF THE COMPRESSOR, THE MAJOR AXIS OF THE MEAN FLOW PATH OF VAPOR INTO SAID COMPRESSOR FROM SAID EVAPORATING CHAMBER AND THE MAJOR AXIS OF THE MEANS FLOW PATH OF VAPOR FROM SAID COMPRESSOR INTO SAID CONDENSING
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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |