US3826684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel electrode cell with improved high temperature charge acceptance
Assignee: Gates Energy Products Inc
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Filing: 1971-01-04
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Granted: 1974-07-30
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Expires: 1991-01-04
Abstract
Abstract HYDROXIDES OF ZINC, MERCURY OF GROUP IIA METALS ARE ADDED ADJACENT THE SURFACES OF A RECHARGEABLE POSITIVE NICKEL ELECTRODE CONTAINING NICKEL HYDROXIDE AS THE ACTIVE RECHARGEABLE MATERIAL IN THE DISCHARGED STATE. THE HYDROXIDE ADDITIVE IMPOVES THE CHARGE ACCEPTANCE AND ENERGY STORAGE CAPACITY OF CELLS WITH NICKEL ELECTRODES CHARGED AT A TEMPERATURE ABOVE 77*F.
Inventors
- 👤 S Pensabene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:12
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/32; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
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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) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |