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US3881955A Expired / Lapsed US ⏱️ 0.0 years remaining

Wall-sealed battery casing and sealed primary sodium-halogen battery

Assignee: General Electric Co
•
Filing: 1974-05-28
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Granted: 1975-05-06
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Expires: 1994-05-28
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Abstract

Abstract A wall-sealed battery casing and a sealed primary sodium-halogen battery are disclosed wherein the casing includes an open ended inner vessel of a solid crystalline ion-conductive material, an electronic conductor within the interior of the inner vessel, two outer opposed open ended metallic portions each with an additional opening surrounding the inner vessel, the two opposed vessel portions sealed together and to the outer wall of the inner vessel, and a fill tube associated with the respective additional opening in each outer vessel portion. A sealed primary sodiumhalogen battery has the above type of wall-sealed casing with a solid sodium containing ion-conductive inner vessel, a sodium anode and a cathode of a halogen in conductive material. The anode and cathode are positioned, respectively, in either the inner vessel or between the inner vessel and the outer vessel portion adjacent the closed end of the inner vessel.

Inventors

  • 👤 Robert R Dubin
  • 👤 William L Mowrey
  • 👤 William A Gilhooley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:48
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/36; H01M10/39; H01M6/00; H01M6/14; H01M6/18; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 115 words
A WALL-SEALED BATTERY CASING COMPRISES AN OPEN ENDED INNER VESSEL OF A SOLID CRYSTALLINE IONCONDUCTIVE MATERIAL, AN ELECTRONIC CONDUCTOR WITHIN THE INTERIOR OF THE INNER VESSEL AND EXTENDING OUTWARDLY THROUGH THE OPEN END OF THE VESSEL, TWO OUTER OPPOSED OPEN ENDED METALLIC VESSEL PORTIONS EACH WITH AN ADDITIONAL OPENING SURROUNDING THE INNER VESSEL, EACH OUTER VESSEL PORTION HAS AN OPPOSITELY EXTENDING FLANGE AT ITS OPEN END, AND A SODIUM AND HALOGEN RESISTANT GLASS SEALS THE ADJACENT FLANGES TOGETHER AND SEALS THE OUTER VESSEL PORTIONS TO THE OUTER VESSEL PORTIONS TO THE OUTER WALL OF THE INNER VESSEL, A FILL TUBE AFFIXED TO EACH ADDITIONAL OPENING, THE ELECTRONIC CONDUCTOR AFFIXED TO THE ASSOCIATED OUTER VESSEL PORTION,
Claim 2
Dependent Claim 115 words
A WALL-SEALED BATTERY CASING COMPRISES AN OPEN ENDED INNER VESSEL OF A SOLID CRYSTALLINE IONCONDUCTIVE MATERIAL, AN ELECTRONIC CONDUCTOR WITHIN THE INTERIOR OF THE INNER VESSEL AND EXTENDING OUTWARDLY THROUGH THE OPEN END OF THE VESSEL, TWO OUTER OPPOSED OPEN ENDED METALLIC VESSEL PORTIONS EACH WITH AN ADDITIONAL OPENING SURROUNDING THE INNER VESSEL, EACH OUTER VESSEL PORTION HAS AN OPPOSITELY EXTENDING FLANGE AT ITS OPEN END, AND A SODIUM AND HALOGEN RESISTANT GLASS SEALS THE ADJACENT FLANGES TOGETHER AND SEALS THE OUTER VESSEL PORTIONS TO THE OUTER VESSEL PORTIONS TO THE OUTER WALL OF THE INNER VESSEL, A FILL TUBE AFFIXED TO EACH ADDITIONAL OPENING, THE ELECTRONIC CONDUCTOR AFFIXED TO THE ASSOCIATED OUTER VESSEL PORTION,

References Cited (Backward Citations)

US3404036A Cited
US3607417A Cited
US3756856A Cited
US3762955A Cited
US3826685A Cited
US3833420A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-05-05 1978-11-04 1979-05-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-05-05 1982-11-04 1983-05-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-05-05 1986-11-04 1987-05-06 $7700.00 Window Closed / Lapsed

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