US3565691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High energy density silver oxide-hydrogen battery
Assignee: McDonnell Douglas Corp
•
Filing: 1968-11-12
•
Granted: 1971-02-23
•
Expires: 1988-11-12
Abstract
Abstract A SOLID-FLUID CELL OR BATTERY HAVING A SILVER OXIDE CATHODE, A HYDROGEN CATALYST ANODE, A SEPARATOR COMPRISING AN INORGANIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF (A) A SOLID SOLUTION CONSISTING ESSENTIALLY OF MAGNESIUM SILICATE AND IRON SILICATE, (B) ZIRCONIA AND (C) ALUMINA, POSITIONED BETWEEN THE ELECTRODES, AND ELECTROLYTE MATERIAL, E.G., A 30% AQUEOUS SOLUTION OF KOH, RETAINED IN SAID SEPARATOR, TO PROVIDE AN IMPROVED HIGH ENERGY DENSITY BATTERY OF THIS TYPE.
Inventors
- 👤 Murray P Strier
- 👤 Harvey A Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:54
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/431; H01M50/434; H01M50/489; H01M50/491; 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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |