US3211633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Falling film distillation unit apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1962-05-28
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Granted: 1965-10-12
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Joel B Hammer
- 👤 Edward V Somers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:27
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/22; Y; Y10; Y10S; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
LIQUID EVAPORATING APPARATUS COMPRISING A PLURALITY OF EVAPORATOR PLATE MEMBERS DISPOSED IN SPACED RELATION WITH EACH OTHR AND EXTENDING DOWNWARDLY, MEANS INCLUDINGA AT LEAST ONE NOZZLE FOR SPRAYING LIQUID ONTO SAID PLATE MEMBERS FOR EVAPORATION, AND MEANS FOR CYCLICALLY MODIFYING THE LIQUID SPRAY SO THAT LIQUID IS SPRAYED ONEACH OF SAID PLATE MEMBERS IN A PREDETERMINED SEQUENCE DURING A LIQUID EVAPORATING OPERATION.
Claim 2
Dependent Claim
62 words
LIQUID EVAPORATING APPARATUS COMPRISING A PLURALITY OF EVAPORATOR PLATE MEMBERS DISPOSED IN SPACED RELATION WITH EACH OTHR AND EXTENDING DOWNWARDLY, MEANS INCLUDINGA AT LEAST ONE NOZZLE FOR SPRAYING LIQUID ONTO SAID PLATE MEMBERS FOR EVAPORATION, AND MEANS FOR CYCLICALLY MODIFYING THE LIQUID SPRAY SO THAT LIQUID IS SPRAYED ONEACH OF SAID PLATE MEMBERS IN A PREDETERMINED SEQUENCE DURING A LIQUID EVAPORATING OPERATION.
References Cited (Backward Citations)
US2558752A
Cited
US2766969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |