Patent US3351491A successfully refreshed from Google Patents.
US3351491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making solid electrolyte material
Assignee: National Research Development Corp UK
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Filing: 1963-02-14
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Granted: 1967-11-07
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Harris Bryan Sidney
- 👤 Tantram Anthony Desmond Shand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:27
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/14; H01M8/144; H01M8/02; H01M8/0289; H01M8/0295; H01M8/145; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
THE METHOD WHICH COMPRISES SUBJECTING A PREFORMED POWDER COMPRISING SOLID ACTIVE ELECTROLYTE MATERIAL TO A COMPACTING OPERATION AT A TEMPERATURE BETWEEN ABOUT 20 TO 30*C. BELOW THE TEMPERATURE AT WHICH LIQUID PHASE WOULD BE PRESENT IN SAID MIXTURE TO FORM AN ELECTROLYTE BODY OF THE SEMI-SOLID TYPE AND THEREAFTER USING SAID ELECTROLYTE BODY IN AN ELECTROCHEMICAL CELL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |