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US3081369A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnesium battery

Assignee: Servel Inc
•
Filing: 1960-08-02
•
Granted: 1963-03-12
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Expires: 1980-08-02
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph J Coleman
  • 👤 Milton E Wilke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:18
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M4/00; H01M4/02; H01M4/06; H01M6/42; H01M6/46; H01M6/48

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 267 words
A PRIMARY BATTERY COMPRISING A PLURALITY OF STACKED DUPLEX CELL UNITS, EACH OF SAID DUPLEX CELL UNITS HAVING A PLURALITY OF FLAT CELL ELEMENTS IN JUXTAPOSED RELATIONSHIP COMPRISED OF A SHEET-FORM MAGNESIUM ELECTRODE, A METAL FOIL SHEET, ELECTRONIC CONNECTION-PROVIDING MEANS INTERPOSED BETWEEN AND MAKING CONTACT ENGAGEMENT WITH A LIMITED AREA OF A SURFACE EACH OF SAID ANODE AND SAID FOIL SHEET, A RING OF AN ADHESIVE MATERIAL INTERPOSED BETWEEN SAID ANODE AND SAID FOIL SHEET COMPLETELY ENCIRCLING SAID ELECTRONIC CONNECTION-PROVIDING MEANS, CAUSING SAID ANODE TO ADHERE TO ONE SIDE OF SAID FOIL LAYER AND SEALING SAID ELECTRONIC CONNECTION-PROVIDING MEANS IN THE SPACE BETWEEN SAID ANODE AND SAID METAL FOIL SHEET, A CONDUCTIVE COATING OF A CARBONACEOUS MATERIAL IN A RESINOUS BINDER AFFIXED TO AND SUBSTANTIALLY COVERING THE OTHER SIDE OF SAID METAL FOIL SHEET, A DEPOLARIZER CAKE, A BIBULOUS SEPARATOR HAVING ONE SURFACE ENGAGING SAID ANODE AND THE OTHER SURFACE ENGAGING SAID DEPOLARIZER CAKE, AN ELECTROLYTE CONTAINED IN SAID SEPARATOR, MEANS FOR PREVENTING ELECTROLYTIC ACTION AT A LIMITED AREA OF THE SIDE OF SAID ANODE ENGAGING SAID SEPARATOR DIRECTLY OVERLYING AND OF SUBSTANTIALLY THE SAME SIZE AS THE AREA ON THE OTHER SIDE OF SAID ANODE ENGAGING SAID ELECTRONIC CONNECTION-PROVIDING MEANS, A NONCONDUCTIVE ELETROLYTE-RESISTANT INTEGUMENT ENCLOSING SAID CELL ELEMENTS AND HAVING MEANS PROVIDED AT EACH END OF SAID CELL UNIT FOR PERMITTING ELECTRONIC CONNECTION BETWEEN SAID CELL UNITS, A POSITIVE TERMINAL PLATE ELECTRONICALLY CONNECTED TO THE TERMINAL CELL AT ONE END OF SAID BATTERY, A NEGATIVE TERMINAL PLATE ELECTRONICALLY CONNECTED TO THE TERMINAL CELL AT THE OTHER END OF SAID BATTERY, AND AN ENCLOSURE FOR SAID BATTERY.
Claim 2
Dependent Claim 267 words
A PRIMARY BATTERY COMPRISING A PLURALITY OF STACKED DUPLEX CELL UNITS, EACH OF SAID DUPLEX CELL UNITS HAVING A PLURALITY OF FLAT CELL ELEMENTS IN JUXTAPOSED RELATIONSHIP COMPRISED OF A SHEET-FORM MAGNESIUM ELECTRODE, A METAL FOIL SHEET, ELECTRONIC CONNECTION-PROVIDING MEANS INTERPOSED BETWEEN AND MAKING CONTACT ENGAGEMENT WITH A LIMITED AREA OF A SURFACE EACH OF SAID ANODE AND SAID FOIL SHEET, A RING OF AN ADHESIVE MATERIAL INTERPOSED BETWEEN SAID ANODE AND SAID FOIL SHEET COMPLETELY ENCIRCLING SAID ELECTRONIC CONNECTION-PROVIDING MEANS, CAUSING SAID ANODE TO ADHERE TO ONE SIDE OF SAID FOIL LAYER AND SEALING SAID ELECTRONIC CONNECTION-PROVIDING MEANS IN THE SPACE BETWEEN SAID ANODE AND SAID METAL FOIL SHEET, A CONDUCTIVE COATING OF A CARBONACEOUS MATERIAL IN A RESINOUS BINDER AFFIXED TO AND SUBSTANTIALLY COVERING THE OTHER SIDE OF SAID METAL FOIL SHEET, A DEPOLARIZER CAKE, A BIBULOUS SEPARATOR HAVING ONE SURFACE ENGAGING SAID ANODE AND THE OTHER SURFACE ENGAGING SAID DEPOLARIZER CAKE, AN ELECTROLYTE CONTAINED IN SAID SEPARATOR, MEANS FOR PREVENTING ELECTROLYTIC ACTION AT A LIMITED AREA OF THE SIDE OF SAID ANODE ENGAGING SAID SEPARATOR DIRECTLY OVERLYING AND OF SUBSTANTIALLY THE SAME SIZE AS THE AREA ON THE OTHER SIDE OF SAID ANODE ENGAGING SAID ELECTRONIC CONNECTION-PROVIDING MEANS, A NONCONDUCTIVE ELETROLYTE-RESISTANT INTEGUMENT ENCLOSING SAID CELL ELEMENTS AND HAVING MEANS PROVIDED AT EACH END OF SAID CELL UNIT FOR PERMITTING ELECTRONIC CONNECTION BETWEEN SAID CELL UNITS, A POSITIVE TERMINAL PLATE ELECTRONICALLY CONNECTED TO THE TERMINAL CELL AT ONE END OF SAID BATTERY, A NEGATIVE TERMINAL PLATE ELECTRONICALLY CONNECTED TO THE TERMINAL CELL AT THE OTHER END OF SAID BATTERY, AND AN ENCLOSURE FOR SAID BATTERY.

References Cited (Backward Citations)

US2666803A Cited
US2826626A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-03-11 1966-09-10 1967-03-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-03-11 1970-09-10 1971-03-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-03-11 1974-09-10 1975-03-12 $7700.00 Window Closed / Lapsed

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