US3708340A
Expired / Lapsed
US
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Galvanic battery wherein each cell is enclosed in a cover comprising electrically insulating and electrically conductive plastic foils
Assignee: Individual
•
Filing: 1971-06-28
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Granted: 1973-01-02
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Expires: 1991-06-28
Abstract
Abstract A GALVANIC BATTERY IS DESCRIBED WHEREIN THE CELL OR EACH CELL IS ENCLOSED IN A COVER COMPRISING TWO PLASTIC FOILS TIGHTLY JOINTED TO EACH OTHER, ONE OF SAID FOILS CONSISTING OF AN ELECTRICALLY INSULATING PLASTIC MATERIAL AND THE OTHER CONSISTING OF AN ELECTRICALLY CONDUCTIVE PLASTIC MATERIAL, AND ONLY THE ELECTRICALLY INSULATING PLASTIC FOIL BEING PROVIDED WITH AT LEAST ONE OPENING FOR ESTABLISHING CONTACT TO ONE ELECTRODE OF THE CELL.
Inventors
- 👤 P Tamminen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:07
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; H01M10/00; H01M10/04; H01M10/0436; H01M50/00; H01M50/10; H01M50/116; H01M50/121; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
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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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |