US3197387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-stage flash evaporators
Assignee: Baldwin Lima Hamilton Corp
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Filing: 1963-05-20
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Granted: 1965-07-27
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Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Lawrance Harold Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:17
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/06; B; B01; B01D; B01D3/00; B01D3/06; B01D3/065; Y; Y02; Y02A; Y02A20/00; Y02A20/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A FLASH EVAPORATOR STAGE COMPRISING A LONGITUDINALLY EXTENDING HOLLOW HOUSING, FIRST AND SECOND END WALLS AT EACH END OF SAID HOUSING, A FLASH BOX EXTENDING BETWEEN SAID END WALLS, SAID FLASH BOX HAVING SPACED WIDE WALLS, A PAIR OF LIQUID SEPARATING WALLS EXTENDING FROM SAID FIRST END WALL ADJACENT THE TOP OF THE SAID FLASH BOX TO SAID SECOND END WALL ADJACENT THE BOTTOM OF SAID FLASH BOX TO FORM UNFLASED LIQUID COMPARTMENTS BELOW SAID LIQUID SEPARATING WALLS AND FLASHED LIQUID COMPARTMENTS ABOVE SAID WALLS, SAID LIQUID SEPARATING WALLS EXTGENDING OUTWARDLY FROM SAID SPACE SIDE WALLS, SAID UNFLASHED LIQUID COMPARTMENTS BEING IN FLOW COMMUNICATION WITH THE INTERIOR OF SAID FLASH BOX ALONG THE LENGTH THEREOF, SAID FIRST END WALL HAVING AN OPENING THEREIN BELOW SAID LIQUID SEPARATING WALLS ON EITHER OUTWARD SIDE OF SAID FLASH BOX SIDE WALLS, SAID SECOND END WALL HAVING OPEINING THEREIN ABOVE SAID LIQUID SEPARATING WALLS ON EITHER OUTWARD SIDE OF SAID FLASH BOX SIDE WALLS, SAID SECOND END WALL OPENINGS EXTENDING UPWARD TO A POINT BELOW THE TOP EDGE OF SAID FLASH BOX SIDE WALLS.
Claim 2
Dependent Claim
180 words
A FLASH EVAPORATOR STAGE COMPRISING A LONGITUDINALLY EXTENDING HOLLOW HOUSING, FIRST AND SECOND END WALLS AT EACH END OF SAID HOUSING, A FLASH BOX EXTENDING BETWEEN SAID END WALLS, SAID FLASH BOX HAVING SPACED WIDE WALLS, A PAIR OF LIQUID SEPARATING WALLS EXTENDING FROM SAID FIRST END WALL ADJACENT THE TOP OF THE SAID FLASH BOX TO SAID SECOND END WALL ADJACENT THE BOTTOM OF SAID FLASH BOX TO FORM UNFLASED LIQUID COMPARTMENTS BELOW SAID LIQUID SEPARATING WALLS AND FLASHED LIQUID COMPARTMENTS ABOVE SAID WALLS, SAID LIQUID SEPARATING WALLS EXTGENDING OUTWARDLY FROM SAID SPACE SIDE WALLS, SAID UNFLASHED LIQUID COMPARTMENTS BEING IN FLOW COMMUNICATION WITH THE INTERIOR OF SAID FLASH BOX ALONG THE LENGTH THEREOF, SAID FIRST END WALL HAVING AN OPENING THEREIN BELOW SAID LIQUID SEPARATING WALLS ON EITHER OUTWARD SIDE OF SAID FLASH BOX SIDE WALLS, SAID SECOND END WALL HAVING OPEINING THEREIN ABOVE SAID LIQUID SEPARATING WALLS ON EITHER OUTWARD SIDE OF SAID FLASH BOX SIDE WALLS, SAID SECOND END WALL OPENINGS EXTENDING UPWARD TO A POINT BELOW THE TOP EDGE OF SAID FLASH BOX SIDE WALLS.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |