Patent US3663412A successfully refreshed from Google Patents.
US3663412A
Expired / Lapsed
US
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Electrolytic celi
Assignee: LOMAC Inc
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Filing: 1970-06-12
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Granted: 1972-05-16
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Expires: 1990-06-12
Abstract
Abstract AN ELCTROLYTIC CELL COMPRISES A CAST UISHAPED FRAME, A SEPARATOR MEMBRANE MOUNTED WITHIN SIAD FRAME, AND A PAIR ENDPLATES COEXTENSIVE WITH THE FRAME AND TOGETHER WITH A SEPARATOR MEMBRANE DEFINING ELONGATED ELECTROLYTE COMPARTMENTS. AN ELECTRODE IS SITUATED WITHIN EACH OF THE COMPARTMENTS, AND A DUCT IS PROVIDED WITHIN THE FRAME COMMUNICATING WITH THE ELECTROLYTE COMPARTMENT. PREFERABLY, A PORTION OF THE SEPARATOR MEMBRANE EDGE MOUNTED WITHIN THE FRAME IS COVERED WITH A RESILIENT MATERIAL SUCH AS POLYTETRAFLUOROETHYLENE. THE CELL IS MANUFACTURED BY CASTING THE FRAME ABOUT A MEMBRANE, SOLIFIFYING THE CAST FRAME, AND THEREAFTER WELDING THE COEXTENSIVE ENDPLATES ON THE FRAME.
Inventors
- 👤 Edward E Kling
- 👤 James L Cousino
- 👤 James A Frens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:18
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/17; C25B9/19; C25B9/01; C25B9/21; C25B9/70; C25B9/73; C25B9/77
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |