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US3304203A Expired / Lapsed US ⏱️ 0.0 years remaining

Battery having separator bonded to at least one electrode

Assignee: Gould National Batteries Inc
•
Filing: 1963-08-08
•
Granted: 1967-02-14
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Expires: 1983-08-08
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Abstract

No abstract record available.

Inventors

  • 👤 Donald T Nordvik

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:05
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/489; H01M50/491; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 83 words
IN A BATTERY HAVING OPPOSITGELY POLARIZED ELECTRODES WHICH HAVE GENERALLY COEXTENSIVE, PARALLEL, SPACED-APART, FACING SURFACES THE IMPROVEMENT IN COMBINATION THEREWITH COMPRISING: A POROUS INSULATIVE SEPARATOR LAYER BETWEN SAID FACING SURFACES AND COEXTENSIVE THEREWITH CONTOURED IN GENERAL CONFORMANCE TO SAID SURFACES, SAID SEPARATOR OVERLAPPING AT LEAST ONE OF THE ELECTRODES ALONG AT LEAST ONE EDGE THEREOF, WITH THE OVERLAP FOLDED BACK OVER THE ELECTRODE; AND A LAYER OF INERT ADHESIVE MATERIAL BETWEEN THE ELECTRODE AND THE OVERLAP FOR BONDING THE SEPARATOR TO THE ELECTRODE.
Claim 2
Dependent Claim 83 words
IN A BATTERY HAVING OPPOSITGELY POLARIZED ELECTRODES WHICH HAVE GENERALLY COEXTENSIVE, PARALLEL, SPACED-APART, FACING SURFACES THE IMPROVEMENT IN COMBINATION THEREWITH COMPRISING: A POROUS INSULATIVE SEPARATOR LAYER BETWEN SAID FACING SURFACES AND COEXTENSIVE THEREWITH CONTOURED IN GENERAL CONFORMANCE TO SAID SURFACES, SAID SEPARATOR OVERLAPPING AT LEAST ONE OF THE ELECTRODES ALONG AT LEAST ONE EDGE THEREOF, WITH THE OVERLAP FOLDED BACK OVER THE ELECTRODE; AND A LAYER OF INERT ADHESIVE MATERIAL BETWEEN THE ELECTRODE AND THE OVERLAP FOR BONDING THE SEPARATOR TO THE ELECTRODE.

References Cited (Backward Citations)

US3007993A Cited
US2653986A Cited
US3069486A Cited
US3023259A Cited
US3023260A Cited
US3201280A Cited
US3072558A Cited
US3184339A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-13 1970-08-15 1971-02-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-13 1974-08-15 1975-02-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-13 1978-08-15 1979-02-14 $7700.00 Window Closed / Lapsed

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