US3741749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the preparation of charged cadmium-nickel powder and battery electrode powder made thereby
Assignee: ESB Inc
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Filing: 1971-09-03
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Granted: 1973-06-26
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Expires: 1991-09-03
Abstract
Abstract A METALLIC POWDER COMPRISING CADMIUM, NICKEL AND A CADMIUM NICKEL INTERMETALLIC COMPOUND IS PREPARED BY REACTING IN AN AQUEOUS ACIDIC SOLUTIONN CADMIUM AND NICKEL SALTS WITH A METAL LESS NOBLE THAN CADMIUM AND NICKEL. THE POWDER SO PRODUCED HAS HIGH SURFACE AREA, HIGH ELECTRICAL ACTIVITY AND IS EASILY FABRICATED INTO BATTERY PLATES.
Inventors
- 👤 B Jochmann
- 👤 T Nervik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:27
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B22F9/20; H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; 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 |