US3746580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas depolarizable galvanic cell
Assignee: ESB Inc
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Filing: 1971-08-19
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Granted: 1973-07-17
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Expires: 1991-08-19
Abstract
Abstract A GAS-DEPOLARIZABLE GALVANIC CELL HAVING AN INSERT MOLDED CATHODE SUBASSEMBLY IS DISCLOSED. THE CATHODE SUBASSEMBLY HAS PORTIONS THEREOF FORMED OF ELECTRICALLY NONCONDUCTIVE MATERIAL AND A PORTION THEREOF COMPRISED OF A GAS-DEPOLARIZABLE ELECTRODE.
Inventors
- 👤 W Aker
- 👤 Cormick R Mc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:29
CPC Classifications
H; H01; H01M; H01M12/00; H01M12/04; H01M12/06
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) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |