Patent US2759882A successfully refreshed from Google Patents.
US2759882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined flash and vapor compression evaporator
Assignee: Bethlehem Steel Corp
•
Filing: 1954-07-30
•
Granted: 1956-08-21
•
Expires: 1974-07-30
Abstract
No abstract record available.
Inventors
- 👤 Worthen Eugene Porter
- 👤 Barbour Fenner Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:57
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/28; B01D1/2803; B01D1/2812; B01D1/284; B01D1/2846; B01D1/289; B01D3/00; B01D3/06; B01D3/065; Y; Y10; Y10S; Y10S159/00; Y10S159/16; Y10S159/39; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
APPARATUS FOR EVAPORATING A LIQUID COMPRISING A PLURALITY OF FLASH CHAMBERS IN SERIES FROM A FIRST TO A LAST ONE THEREOF, A CONDENSER FOR EACH FLASH CHAMBER EXCEPT THE FIRST, MEANS FOR COMPRESSING VAPORS PRODUCED IN SAID FIRST FLASH CHAMBER, A CONDENSER FOR CONDENSING SAID COMPRESSED VAPORS, MEANS FOR CONDUCTING FEED WATER THROUGH SAID CONDENSERS SUCCESSIVELY FROM THE LAST TO THE FIRST THENCE THROUGH SAID COMPRESSED VAPOR CONDENSER AND THENCE INTO SAID FIRST FLASH CHAMBER, MEANS FOR CONDUCTING UNEVAPORATED FEED WATER FROM EACH FLASH CHAMBER TO THE NEXT SUCCEEDING FLASH CHAMBER, AND MEANS FOR CON DUCING A PORTION OF THE UNEVAPORATED FEED WATER FROM
References Cited (Backward Citations)
US643702A
Cited
US2185595A
Cited
US2324663A
Cited
US2440173A
Cited
US2398068A
Cited
US2487884A
Cited
US2613177A
Cited
US2696465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |