Patent US3671324A successfully refreshed from Google Patents.
US3671324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid electrolyte
Assignee: Toshiba Corp
•
Filing: 1970-06-02
•
Granted: 1972-06-20
•
Expires: 1990-06-02
Abstract
Abstract IN THE B-ALUMINA SOLID ELECTROLYTE USING THE PHENOMENON OF CONDUCTION OF NA+ION, A SOLID ELECTROLYTE FORMED BY ADDING AND BAKING 0.9 TO 20 MOL PERCENT OF CUO CALCULATED IN TERMS OF THE AMOUNT OF A MIXTURE OF NA2O, AL2O3 AND CUO.
Inventors
- 👤 Atsuo Imai
- 👤 Mituo Harata
- 👤 Yoshitaka Ogawa
- 👤 Shoji Hasegawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:17
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/10; C04B35/111; C04B35/113; C01; C01F; C01F7/00; C01F7/02; C01F7/028; C01G; C01G3/00; C01G3/006; H; H01; H01M; H01M10/00; H01M10/36; H01M10/39; H01M10/3909; H01M10/3918; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |