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US3565695A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of forming an amalgamated zinc electrode

Assignee: General Electric Co
•
Filing: 1968-04-01
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Granted: 1971-02-23
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Expires: 1988-04-01
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Abstract

Abstract A ZINC ELECTRODE COMPRISES A SUPPORT, ZINC POWDER PRESSED AGAINST THE OPPOSITE SURFACES OF THE SUPPORT, AND ZINC POWDER AMLALGAMATED WITH MERCURY IN THE SURFACE OF THE ELECTRODE. ADDITIONALLY, A ZINC ELECTRODE COMPRISES A SUPPORT, ZINC POWDER AMALGAMATED WITH A SMALL WEIGHT PERCENT OF MERCURY PRESSED AGAINST THE OPPOSITE SURFACES OF THE SUPPORT, AND ZINC POWDER IN THE SURFACE OF THE ELECTRODE AMALGAMATED TO A HIGHER LEVEL THAN THE FIRST AMALGAMATION. A METHOD OF FORMING A ZINC ELECTRODE COMPRISES CONTACTING THE PRESSED ELECTRODE WITH AN AQUEOUS SOLUTION OF A MERCURY SALT THEREBY AMALGAMATING THE ZINC POWDER IN THE SURFACE OF THE ELECTRODE, AND REMOVING THE REMAINING ZINC SALT RESIDUE.

Inventors

  • 👤 Elihu C Jerabek

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 13:05
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/244; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-02-22 1974-08-24 1975-02-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-22 1978-08-24 1979-02-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-22 1982-08-24 1983-02-23 $7700.00 Window Closed / Lapsed

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