US3649467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporization apparatus for the removal of heat and concentration of electrolyte in a fuel cell battery
Assignee: VARTA AG
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Filing: 1968-02-13
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Granted: 1972-03-14
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Expires: 1988-02-13
Abstract
Abstract PROCESS AND EQUIPMENT FOR RECOVERING, IN LIQUID FORM, VAPORIZABLE COMPONENTS FROM COMPOSITIONS BY BRINGING THE COMPOSITION INTO CONTACT WITH ONE SIDE OF A POROUS WALL THROUGH WHICH THE COMPONENT TO BE RECOVERED IS CAUSED TO PERMEATE AS A VAPOR, AND THE VAPOR IS SUBSEQUENTLY CONDENSED ON A SECOND WALL AND RECOVERED THEREFROM IN LIQUID FROM. THE SECOND WALL MAY ALSO BE POROUS AND THE VAPORS OF THE VAPORIZABLE COMPONENTS MAY BE ALLOWED TO PASS THROUGH THE SECOND WALL BEFORE BEING RECOVERED IN CONDENSED FORM.
Inventors
- 👤 August Winsel
- 👤 Hans-Jurgen Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:07
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/36; B01D61/364; B01D61/3641; C; C01; C01B; C01B5/00; C01B5/02; H; H01; H01M; H01M8/00; H01M8/06; H01M8/0693; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P20/00; Y02P20/10; Y02P20/129; Y10; Y10S; Y10S159/00; Y10S159/28; Y10S203/00; Y10S203/11; Y10S203/19
Claims Analysis
Total Claims: 0
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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) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |