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US3119722A Expired / Lapsed US ⏱️ 0.0 years remaining

Battery

Assignee: VARTA AG
•
Filing: 1959-12-29
•
Granted: 1964-01-28
•
Expires: 1979-12-29
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Abstract

No abstract record available.

Inventors

  • 👤 Tietze Werner
  • 👤 Peters Freimut

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 14:09
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/34; H01M50/00; H01M50/10; H01M50/102; H01M50/107; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 242 words
A SEALED ALKALINE STORAGE BATTERY, COMPRISING, IN COMBINATION, A HOUSING CONSISTING ESSENTIALLY OF FIRST WALL MEANS MADE OF METAL AND SECOND WALL MEANS MADE OF ELECTRICALLY INSULATING MATERIAL, SAID FIRST AND SECOND WALL MEANS ABUTTING EACH OTHER; MEANS FOR SEALING SAID HOUSING; AN ELECTRODE ASSEMBLY LOCATED WITHIN SAID HOUSING FILLING THE SAME BUT PARTLY AND INCLUDING AT LEAST TWO ELECTRODES OF OPPOSITE POLARITY, SEPARATOR MEANS BETWEEN AND IN CONTACT WITH ADJACENT SURFACE PORTIONS OF ADJACENT ELECTRODES OF OPPOSITE POLARITY EACH OF SAID ELECTRODES HAVING A FREE SURFACE PORTION PARTIALLY DEFINING A GAS SPACE WITHIN SAID HOUSING, AND AN ALKALINE ELECTROLYTE AT LEAST PARTIALLY CAPILLARILY FIXED IN SAID SEPARATOR MEANS AND SAID ELECTRODES, SAID ELECTROLYTE ALSO FORMING A FILM ON SAID FREE SURFACE PORTIONS OF SID ELECTRODES; AND MEANS FOR CONDUCTIVELY CONNECTING SAID POSITIVE ELECTRODE WITH SAID FIRST WALL MEANS MADE OF METAL SO THAT THE ENTIRE METAL PORTION OF SAID HOUSING IS ELECTRICALLY CONNECTED TO SAID POSITIVE ELECTRODE, WHEREBY GASES FORMED DURING OPERATION OF SAID BATTERY WILL BE AT LEAST PARTIALLY CONSUMED IN CONTACT WITH SAID FREE SURFACE PORTIONS OF SAID ELECTRODES SO THAT DEVELOPMENT OF SUBSTANTIAL OVERPRESSURE WITHIN SAID HOUSING WILL BE PREVENTED AND MIGRATION OF ELECTROLYTE WILL BE RETARDED AND WHEREBY, DUE TO SAID ELECTRICAL CONNECTION BETWEE SAID METAL WALL MEANS AND SAID POSITIVE ELECTRODE, SAID METAL WALL MEANS THUS BEING POSITIVELY CHARGED, SEEPAGE BETWEEN ABUTTING FIRST AND SECOND WALL PORTIONS OF ANY ELECTROLYTE REACHING THE SAME WILL BE PREVENTED.
Claim 2
Dependent Claim 242 words
A SEALED ALKALINE STORAGE BATTERY, COMPRISING, IN COMBINATION, A HOUSING CONSISTING ESSENTIALLY OF FIRST WALL MEANS MADE OF METAL AND SECOND WALL MEANS MADE OF ELECTRICALLY INSULATING MATERIAL, SAID FIRST AND SECOND WALL MEANS ABUTTING EACH OTHER; MEANS FOR SEALING SAID HOUSING; AN ELECTRODE ASSEMBLY LOCATED WITHIN SAID HOUSING FILLING THE SAME BUT PARTLY AND INCLUDING AT LEAST TWO ELECTRODES OF OPPOSITE POLARITY, SEPARATOR MEANS BETWEEN AND IN CONTACT WITH ADJACENT SURFACE PORTIONS OF ADJACENT ELECTRODES OF OPPOSITE POLARITY EACH OF SAID ELECTRODES HAVING A FREE SURFACE PORTION PARTIALLY DEFINING A GAS SPACE WITHIN SAID HOUSING, AND AN ALKALINE ELECTROLYTE AT LEAST PARTIALLY CAPILLARILY FIXED IN SAID SEPARATOR MEANS AND SAID ELECTRODES, SAID ELECTROLYTE ALSO FORMING A FILM ON SAID FREE SURFACE PORTIONS OF SID ELECTRODES; AND MEANS FOR CONDUCTIVELY CONNECTING SAID POSITIVE ELECTRODE WITH SAID FIRST WALL MEANS MADE OF METAL SO THAT THE ENTIRE METAL PORTION OF SAID HOUSING IS ELECTRICALLY CONNECTED TO SAID POSITIVE ELECTRODE, WHEREBY GASES FORMED DURING OPERATION OF SAID BATTERY WILL BE AT LEAST PARTIALLY CONSUMED IN CONTACT WITH SAID FREE SURFACE PORTIONS OF SAID ELECTRODES SO THAT DEVELOPMENT OF SUBSTANTIAL OVERPRESSURE WITHIN SAID HOUSING WILL BE PREVENTED AND MIGRATION OF ELECTROLYTE WILL BE RETARDED AND WHEREBY, DUE TO SAID ELECTRICAL CONNECTION BETWEE SAID METAL WALL MEANS AND SAID POSITIVE ELECTRODE, SAID METAL WALL MEANS THUS BEING POSITIVELY CHARGED, SEEPAGE BETWEEN ABUTTING FIRST AND SECOND WALL PORTIONS OF ANY ELECTROLYTE REACHING THE SAME WILL BE PREVENTED.

References Cited (Backward Citations)

US2636058A Cited
US2693499A Cited
GB741345A Cited
US2842607A Cited
US2980745A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-01-27 1967-07-29 1968-01-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-01-27 1971-07-29 1972-01-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-01-27 1975-07-29 1976-01-28 $7700.00 Window Closed / Lapsed

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