US3684480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel fibers useful for galvanic cell electrodes
Assignee: Edgewell Personal Care Brands LLC
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Filing: 1970-04-03
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Granted: 1972-08-15
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Expires: 1990-04-03
Abstract
Abstract STABLE, HIGH SURFACE AREA NICKEL FIBERS COMPOSED OF A SINGLE ELONGATED CHAIN OF SMALL, INTERCONNECTED, NEARLY PERFECT SPHERES. THE NICKEL FIBERS ARE PREPARED BY THE ELECTROLYSIS OF A SOUBLE NICKEL SALT-CONTAINING ELECTROLYTE SOULTION UNDER CONDITIONS OF EXTREMELY HIGH CATHODE CURRENT DENSITY. GALVANIC CELL ELECTRODES ARE FABRICATED USING THE NICKEL FIBERS BY COMPRESSION MOLDING TECHNIQUES.
Inventors
- 👤 Demetrois V Louzos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:34
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/72; H01M4/74; B; B22; B22F; B22F9/00; C; C25; C25C; C25C1/00; C25C1/06; C25C1/08; C25C5/00; C25C5/02; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12424
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |