US3756789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallurgically bonded lithium conductive metal electrode
Assignee: EIDP Inc
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Filing: 1971-03-03
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Granted: 1973-09-04
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Expires: 1991-03-03
Abstract
Abstract A COMPOSITE ANODIC ELECTRODE HAVING LITHLIUM METALLURGICALLY COLD BONDED TO A CONDUCTIVE METAL SELECTED FROM THE GROUP CONSISTING OF STAINLESS STEEL, ALUMINUM AND ZINC FOR USE IN NONAQUEOUS ELECTROLYTE GALVANIC CELLS CAN BE PREPARED BY ETCHING THE CONDUCTIVE METAL IN A MIXTURE OF HYDROCHLORIC AND NITRIC ACIDS, CLEANING AND DRYING THE ETCHED CONDUCTIVE METAL AND THEN PRESSING THE ETCHED CONDUCTIVE METAL SURFACE INTO CONTACT WITH A FRESH LITHIUM SURFACE.
Inventors
- 👤 H Alder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:26
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/06; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/94; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12736; Y10T428/12771; Y10T428/12778
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) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |