US3758337A
Expired / Lapsed
US
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Sodium sulphur accumulator with temperature controlling means
Assignee: Alcatel Lucent SAS
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Filing: 1971-12-21
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Granted: 1973-09-11
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Expires: 1991-12-21
Abstract
Abstract SULPHUR-SODIUM ACCUMULATOR FOR PRODUCING ELECTRICAL ENERGY COMPRISES A CONTAINER HAVING A PLURALITY OF TUBES OF WHICH AT LEAST THE LOWER PORTION IS INTENDED TO BE USED AS A SOLID ELECTROLYTE. AN ELECTRONIC CONDUCTIVE MATERIAL, SUCH AS GRAPHITE FELT, IMPREGNATED IN THE CHARGED STATE, WITH SULPHUR, IS ARRANGED IN THE CONTAINER AT LEAST AROUND THAT PORTION OF THE TUBES FORMING THE ELECTROLYTE. ALL THE TUBES ARE CONNECTED TO A COMMON SODIUM TANK, WHILE COOLING MEANS IS POSITIONED BETWEEN THE TUBES AND THE TANK.
Inventors
- 👤 J Fally
- 👤 J Richez
- 👤 C Lasne
- 👤 Y Lazennec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:15
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/36; H01M10/39; H01M10/3909; H01M10/60; H01M10/61; H01M10/613; H01M10/62; H01M10/625; H01M10/65; H01M10/655; H01M10/6556; H01M10/656; H01M10/6561; H01M10/6563; H01M10/6566; 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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |