US3752705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High capacity rechargeable sealed cell
Assignee: Gates Energy Products Inc
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Filing: 1971-09-17
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Granted: 1973-08-14
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Expires: 1991-09-17
Abstract
Abstract A HIGH CAPACITY, RECHARGEABLE SEALED CELL IS CONSTRUCTED USING PLATE MATERIALS NORMALLY USED IN THE CONSTRUCTION OF LOW CAPACITY, HIGH DISCHARGE RATE MATERIALS. THE CELL IS CONSTRUCTED BY WINDING A LAYER OF SEPARATORR MATERIALS OVER ONTO ITSELF, WINDING A LAYER OF SEPARATOR MATERIALS OVER THIS CORE, AND WINDING A LAYER OF THE OTHER ELECTRODE ONTO ITSELF OVER THE SEPARATOR MATERIAL. BY ELIMINATING THE LAYERS OF SEPARATOR BETWEEN ADJACENT MATERIALS-EXCEPT FOR THE SINGLE LAYER OF SEPARATOR BETWEEN THE TWO PLATESADDITIONAL SPACE IS PROVIDED IN THE SAME VOLUME SO THAT ADDITIONAL ACTIVE ELECTRODE MATERIAL MAY BE INCORPORATED INTO THE CELL.
Inventors
- 👤 S Pensabene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:51
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/34; H01M10/04; H01M10/0431; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |