Patent US3304203A successfully refreshed from Google Patents.
US3304203A
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US
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Battery having separator bonded to at least one electrode
Assignee: Gould National Batteries Inc
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Filing: 1963-08-08
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Granted: 1967-02-14
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Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 Donald T Nordvik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:21
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
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US2653986A
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US3069486A
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US3023259A
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US3184339A
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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) | 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 |