Patent US2380907A successfully refreshed from Google Patents.
Patent US3671322A successfully refreshed from Google Patents.
US3671322A
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Electrochemical cell with aluminum electrodes and different electrolyte concentration in two compartments
Assignee: DAVID W SEEGMILLER
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Filing: 1970-08-12
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Granted: 1972-06-20
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Expires: 1990-08-12
Abstract
Abstract AN ELECTROCHEMICAL CELL OF THE THERMAL TYPE. THE CELL COMPRISES TWO INTERCONNECTED COMPARTMENTS WITH SEPARATE ALUMINUM ELECTRODES POSITIONED IN EACH COMPARTMENT. THE ELECTRODES IN TURN ARE IMMERSED IN A SOLID ELECTROLYTIC MATERIAL COMPRISING A MIXTURE OF ALUMINUM CHLORIDE AND SODIUM CHLORIDE.
Inventors
- 👤 Lowell A King
- 👤 David W Seegmiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:55
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36
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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |