US3553019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multicell electric storage battery having electrodes formed by spines projecting from the partitions between cells
Assignee: Electric Power Storage Ltd
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Filing: 1968-07-23
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Granted: 1971-01-05
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Expires: 1988-07-23
Abstract
Abstract IN A MULTICELL ELECTRIC STORAGE BATTERY THE ELECTRODES ARE FORMED BY SPINES PROJECTING FROM THE PARTITIONS BETWEEN CELLS, INTO BOTH THE ADJACENT CELLS SO THAT EACH SPINE IN ONE CELL IS IN DIRECT CONNECTION WITH A SPINE IN A NEIGHBOURING CELL. WITHIN EACH CELL THE SPINES PROJECTING FROM ONE PARTITION ARE SURROUNDED BY POSITIVE ACTIVE MATERIAL AND THOSE FROM THE OTHER PARTITION BY NEGATIVE ACTIVE MATERIAL, RECEIVED IN BORES IN BLOCKS OF SEPARATOR MATERIAL AND/OR SURROUNDED BY INDIVIDUAL SEPARATING SHEATHS.
Inventors
- 👤 Charles J Bushrod
- 👤 Patrick Ewart Mckellen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:55
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/06; H01M10/18; 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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |