US3625764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode for electric storage batteries containing zinc halide in aqueous solution, of the type having a soluble cathode and a dissolved anode
Assignee: Consiglio Nazionale delle Richerche
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Filing: 1969-08-09
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Granted: 1971-12-07
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Expires: 1989-08-09
Abstract
Abstract An electrode for use in zinc halide-halogen cells comprising a graphite mass in electrical contact with a dispersion of powdered graphite and a perchlorate salt of tetramethyl- or tetrabutylammonium is disclosed along with various cell constructions.
Inventors
- 👤 Mario De Rossi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:22
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/36; H01M10/365; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |