US3554805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed rechargeable battery having a sensing electrode
Assignee: Gates Energy Products Inc
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Filing: 1968-08-22
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Granted: 1971-01-12
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Expires: 1988-08-22
Abstract
Abstract AN IMPROVED SEALED RECHARGEABLE CELL UNIT IS PROVIDED HAVING A SENSING ELECTRODE WHICH DELIVERS AN ELECTRICAL SIGNAL QUANTITATIVELY INDICATIVE OF OXYGEN PARTIAL PRESSURE WITHIN THE CELL. THE SIGNAL CAN THEN BE CONNECTED TO SUITABLE CURRENT MONITORING MEANS WHICH CAN INCLUDE A CHARGE RATE CONTROLLER TO CONTROL THE RATE OF CHARGING TO INHIBIT EXCESSIVE EVOLUTION OF GAS WITHIN THE CELL.
Inventors
- 👤 Irwin B Weinstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:11
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/50; H01M6/5005; H01M10/00; H01M10/42; 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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |