US3558356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel-zinc battery system which is negative limited during charging thereof
Assignee: Texas Instruments Inc
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Filing: 1967-02-28
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Granted: 1971-01-26
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Expires: 1987-02-28
Abstract
Abstract A SEALED NICKEL-ZINC BATTERY SYSTEM IS SHOWN IN WHICH THE CHARGE CAPACITY OF THE POSITIVE NICKEL ELECTRODE SOMEWHAT EXCEEDS THE CHARGE CAPACITY OF THE NEGATIVE ZINC ELECTRODE FOR PREVENTING THE EVOLUTION OF OXYGEN AT THE POSITIVE ELECTRODE DURING CHARGING OF THE BATTERY SYSTEM, THE BATTERY SYSTEM BEING CHARACFTERIZED BY A SHARP CHANGE IN NEGATIVE ELECTRODE POTENTIAL AND SLIGHT EVOLUTION OF HYDROGEN AT THE NEGATIVE ELECTRODE WHEN THE NEGATIVE ELECTRODE IS FULLY CHARGED AND BY SUPPORTING MEMBRANE MEANS FOR VENTING HYDROGEN GAS FROM WITHIN THE BATTERY SYSTEM.
Inventors
- 👤 Ernest M Jost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:24
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/24; H01M10/30; 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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |