US3748178A
Expired / Lapsed
US
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Electrochemical generator of the sulphur sodium type
Assignee: Alcatel Lucent SAS
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Filing: 1971-10-22
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Granted: 1973-07-24
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Expires: 1991-10-22
Abstract
Abstract A HIGHLY POROUS, THIN LAYER OF ELECTRICALLY INSULATIVE MATERIAL SEPARATES THE POSITIVES ACTIVE MATERIAL IMPREGNATED ELECTRONIC CONDUCTIVE MATERIAL FROM THE SOLID ELECTROYLTE IN A RECHARGEABLE ELECTROCHEMICAL GENERATOR OF THE SULPHUR-SODIUM TYPE.
Inventors
- 👤 J Fally
- 👤 Y Lazennec
- 👤 C Lasne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:14
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/36; H01M10/39; H01M10/3909; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
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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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |