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US3681145A Expired / Lapsed US ⏱️ 0.0 years remaining

Fuel cell battery for reacting a reactant,such as hydrazine especially,dissolved in electrolyte

Assignee: Siemens AG
•
Filing: 1970-09-09
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Granted: 1972-08-01
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Expires: 1990-09-09
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Abstract

Abstract FUEL CELL BATTERY FOR REACTING A REACTANT, SUCH AS HYDRAZINE ESPECIALLY, DISSOLVED IN ELECTROLYTE, THE SAME INCLUDES A STACK OF SUPERIMPOSED COMPONENTS A WITH RESPECTIVE COMPONENTS B AND C AT OPPOSITE ENDS OF THE STACK THEREOF, THE STACK BEING EMBEDDED IN A CASING OF MOLDING RESIN, THE COMPONENT A COMPRISING A PAIR OF DIAPHRAGMS WITH A SUPPORT FRAME, A SPACER SCREEN, A CONTACT PLATE, A SEALING FRAME AND ELECETRODES OF DIFFERENT POLARITIES SANDWICHED THEREBETWEEN; THE COMPONENET B COMPRISING A DIAPHRAGM AND A CONTACT PLATE WITH AN ELECTRODE, A SUPPORT FRAME AND A SEALING FRAME SANDWICHED THEREBETWEEN, AND THE COMPONENT C COMPRISING A DIAPHRAGM AND A CONTACT PLATE WITH A SPACER SCREEN, A SEALING FRAME AND AN ELECTRODE SANDWICHED THEREBETWEEN, THE SEALING FRAMES, THE DIAPHRAGMS AND CONTACT PLATES BEING PROVIDED WITH FINS AND FORMED WITH BORES FOR SUPPLYING THE REACTANTS TO AND DISCHARGING THE SAME FROM THE BATTERY, AND THE SEALING FRAMES BEING FIRMLY BONDED TO THE CONTACT PLATES AND DIAPHRAGMS OF THE RESPECTIVE COMPONENTS; AND METHOD OF PRODUCING THE FUEL CELL BATTERS.

Inventors

  • 👤 Hans Kohlmuller
  • 👤 Dieter Kuhl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 08:40
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/02; H01M8/0271; H01M8/0273; H01M8/028; H01M8/0284; H01M8/22; H01M8/222; H01M8/24; H01M8/2404; H01M8/2455; H01M8/241; H01M8/242; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50

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) 1975-08-01 1976-01-31 1976-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-08-01 1980-01-31 1980-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-08-01 1984-01-31 1984-08-01 $7700.00 Window Closed / Lapsed

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