US3203464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash evaporator
Assignee: Werkspoor NV
•
Filing: 1962-11-13
•
Granted: 1965-08-31
•
Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Kingma Wouter Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:07
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/06; B01D3/065; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/06; F; F22; F22B; F22B27/00; F22B27/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A FLASH EVAPORATOR COMPRISING A PLURALITY OF FLASH CHAMBERS ARRANGED SUBSTANTIALLY HORIZONTALLY DOWNSTREAM OF EACH OTHER ON A COMMON BOTTOM, EACH SAID CHAMBER BEING CONNECTED NEAR ITS BOTTOM WITH THE ADJACENT CHAMBER BY A CHANNEL SO CONSTRUCTED AND ARRANGED THAT THE ABSOLUTE PRESSURE IN THE EVAPORATOR DECREASES IN THE DOWNSTREAM DIRECTION, EACH SAID CONNECTING CHANNEL HAVING ONE WALL FORMED BY SAID COMMON BOTTOM OF THE CHAM-
Claim 2
Dependent Claim
66 words
A FLASH EVAPORATOR COMPRISING A PLURALITY OF FLASH CHAMBERS ARRANGED SUBSTANTIALLY HORIZONTALLY DOWNSTREAM OF EACH OTHER ON A COMMON BOTTOM, EACH SAID CHAMBER BEING CONNECTED NEAR ITS BOTTOM WITH THE ADJACENT CHAMBER BY A CHANNEL SO CONSTRUCTED AND ARRANGED THAT THE ABSOLUTE PRESSURE IN THE EVAPORATOR DECREASES IN THE DOWNSTREAM DIRECTION, EACH SAID CONNECTING CHANNEL HAVING ONE WALL FORMED BY SAID COMMON BOTTOM OF THE CHAM-
References Cited (Backward Citations)
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |