US3741810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery construction
Assignee: ESB Inc
•
Filing: 1971-07-06
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Granted: 1973-06-26
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Expires: 1991-07-06
Abstract
Abstract AN AIR DEPLORALIZABLE GALVANIC BATTERY CONSTRUCTION IS DISCLOSED. THE BATTERY INCLUDES A VESSEL STRUCTURE HAVING A PORTION THEREOF COMPRISED OF AT LEAST ONE AIR ELECTRODE. A CLOSURE MEANS OVERLIES THE AIR ELECTRODE FOR PREVENTING DIRECT CONTACT OF FOREIGN OBJECTS WITH THE AIR ELECTRODE DAMAGED. THEREBY PROTECT THE AIR ELECTRODE FROM BEING DAMAGED. THE CLOSURE MEANS IS PROVIDED WITH AIR ACCESS OPENINGS AND IS DISPOSED IN SPACED RELATIONS TO THE AIR ELECTRODE TO PERMIT CIRCULATION OF AIR BETWEEN IT AND THE AIR ELECTRODE.
Inventors
- 👤 J Dafler
- 👤 R Niederberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:15
CPC Classifications
H; H01; H01M; H01M12/00; H01M12/04; H01M12/06; Y; Y02; Y02E; Y02E60/00; Y02E60/10
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) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |