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US2727083A Expired / Lapsed US ⏱️ 0.0 years remaining

Silver peroxide battery and method of making

Assignee: Eagle Picher Co
•
Filing: 1952-09-26
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Granted: 1955-12-13
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Expires: 1972-09-26
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Abstract

No abstract record available.

Inventors

  • 👤 Edward G Hollman
  • 👤 Elliott M Morse
  • 👤 James S Bone

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 21:13
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/24; H01M10/32; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 135 words
THE METHOD OF MAKING A PRIMARY BATTERY OF THE ZINC-SILVER PEROXIDE CAUSTIC TYPE WHICH IS ADAPTED TO DELIVER UNIFORM CURRENT CONTINUOUSLY TO SUBSTANTIALLY THE FULL ELECTROLYTIC CAPACITY OF THE ACTIVE CHEMICALS WHICH CONSITUTE THE BATTERY, SAID METHOD COMPRISING THE FORMING OF THE POSITIVE ELECTRODE BY PASTING SILVER PEROXIDE UPON A GRID, SINTERING AND REDUCING SAID SILVER PEROXIDE ON THE GRID TO CONSTITUTE A SPONGY MASS OF METALLIC SILVER, POLARIZING SAID SILVER ELECTROLYTICALLY AT LOW CURRENT DENSITY, AND THE FORMING OF A NEGATIVE ELECTRODE BY ELETRO-PLATING ZINE UPON A GRID, THEN PHYSICALLY COMPACTING THE ZINC SO DEPOSITED TO SUCH A DEGREE THAT ITS SPONGINESS CORRESPONDS ELECTROLYTICALLY TO THE SPONGINESS OF THE POSITIVE ELECTRODE, WHEREBY THE ACTIVE SURFACE AREAS OF THE TWO ELECTRODES BEAR THE RELATIONSHIP TO EACH OTHER WHICH PROVIDES OPTIMUM OPERATING CURRENT DENSITIES FOR EACH.

References Cited (Backward Citations)

US1662866A Cited
US1895397A Cited
US2317711A Cited
US2594711A Cited
US2594709A Cited
US2624767A Cited
US2594713A Cited
US2610219A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-12-12 1959-06-13 1959-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-12-12 1963-06-13 1963-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-12-12 1967-06-13 1967-12-13 $7700.00 Window Closed / Lapsed

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