Patent US3690866A successfully refreshed from Google Patents.
US3690866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead fibers useful for galvanic cell electrodes
Assignee: Edgewell Personal Care Brands LLC
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Filing: 1970-04-06
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Granted: 1972-09-12
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Expires: 1990-04-06
Abstract
Abstract STABLE HIGH SURFACE AREA LEAD FIBERS COMPOSED OF A SINGLE ELONGATED CHAIN OF CUBIC GROWTHS INTERCONNECTED AND GROWN ALONG ONE DIRECTION. THE LEAD FIBERS ARE PREPARED BY THE ELECTROLYSIS OF A SOLUBLE LEAD SALT-CONTAINING ELECTROLYTE SOLUTION UNDER CONDITIONS OF EXTREMELY HIGH CATHODE CURRENT DENSITY. GALVANIC CELL ELECTRODES ARE FABRICATED USING THE LEAD FIBERS BY COMPRESSION MOLDING TECHNIQUES.
Inventors
- 👤 Demetrios V Louzos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:09
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/56; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12424
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) | 1975-09-12 | 1976-03-13 | 1976-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-12 | 1980-03-13 | 1980-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-12 | 1984-03-13 | 1984-09-12 | $7700.00 | Window Closed / Lapsed |