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US3096215A Expired / Lapsed US ⏱️ 0.0 years remaining

Sealed storage battery

Assignee: VARTA AG
•
Filing: 1960-04-11
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Granted: 1963-07-02
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Expires: 1980-04-11
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Abstract

No abstract record available.

Inventors

  • 👤 Voss Ernst
  • 👤 Dehmelt Klaus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 19:49
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/34; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 145 words
IN A STORAGE BATTERY, IN COMBINATION, A CASING; MEANS FOR HERMETICALLY SEALING SAID CASING; A FREE FLOWING LIQUID ELECTROLYTE IN SAID CASING FILLING THE SAME BUT PARTLY SO AS TO DEFINE A GAS SPACE WITHIN SAID CASING; POSITIVE AND NEGATIVE ELECTRODES IN SAID CASING SUBSTANTIALLY SUBMERGED IN SAID FREE FLOWING LIQUID ELECTROLYTE; AND AN AUXILIARY GAS-CONSUMING ELECTRODE CONSISTING ESSENTIALLY SUBMERGED TRICALLY CONDUCTIVE MATERIAL WHICH IS INERT WITH RESPECT TO SAID LIQUID ELECTROLYTE LOCATED IN SAID CASING SPACED FROM SAID POSITIVE AND NEGATIVE ELECTRODES AND ELECTRICALLY CONNECTED TO ONE OF SAID ELECTRODES, SAID AUXILIARY ELECTRODE HAVING A MAJOR EXTERIOR SURFACE PORTION IN CONTACT WITH SAID LIQUID ELECTROLYTE AND BEING FORMED WITH A CAVITY OPENING INTO SAID GAS SPACE SO THAT THE INTERIOR SURFACE OF SAID AUXILIARY ELECTRODE FORMED BY SAID CAVITY COMMUNICATES WITH SAID GAS SPACE AND SAID CAVITY WILL BE SUBSTANTIALLY FREE OF LIQUID ELECTROLYTE.
Claim 2
Dependent Claim 145 words
IN A STORAGE BATTERY, IN COMBINATION, A CASING; MEANS FOR HERMETICALLY SEALING SAID CASING; A FREE FLOWING LIQUID ELECTROLYTE IN SAID CASING FILLING THE SAME BUT PARTLY SO AS TO DEFINE A GAS SPACE WITHIN SAID CASING; POSITIVE AND NEGATIVE ELECTRODES IN SAID CASING SUBSTANTIALLY SUBMERGED IN SAID FREE FLOWING LIQUID ELECTROLYTE; AND AN AUXILIARY GAS-CONSUMING ELECTRODE CONSISTING ESSENTIALLY SUBMERGED TRICALLY CONDUCTIVE MATERIAL WHICH IS INERT WITH RESPECT TO SAID LIQUID ELECTROLYTE LOCATED IN SAID CASING SPACED FROM SAID POSITIVE AND NEGATIVE ELECTRODES AND ELECTRICALLY CONNECTED TO ONE OF SAID ELECTRODES, SAID AUXILIARY ELECTRODE HAVING A MAJOR EXTERIOR SURFACE PORTION IN CONTACT WITH SAID LIQUID ELECTROLYTE AND BEING FORMED WITH A CAVITY OPENING INTO SAID GAS SPACE SO THAT THE INTERIOR SURFACE OF SAID AUXILIARY ELECTRODE FORMED BY SAID CAVITY COMMUNICATES WITH SAID GAS SPACE AND SAID CAVITY WILL BE SUBSTANTIALLY FREE OF LIQUID ELECTROLYTE.

References Cited (Backward Citations)

US2131592A Cited
US2934580A Cited
US2842607A Cited
US2857447A Cited
US3005943A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-07-01 1966-12-31 1967-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-07-01 1970-12-31 1971-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-07-01 1974-12-31 1975-07-02 $7700.00 Window Closed / Lapsed

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