US2921110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery cells
Assignee: Graham Savage and Associates Inc
•
Filing: 1953-05-01
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Granted: 1960-01-12
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Expires: 1973-05-01
Abstract
No abstract record available.
Inventors
- 👤 Clyde A Crowley
- 👤 William M Langdon
- 👤 Demetrios V Louzos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:11
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/22; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A BATTERY COMPRISING A SYSTEM INCLUDING A CELL, SAID CELL HAVING AN ELECTRODE COMPRISING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METALS, AND A POROUS ELECTRICALLY CONDUCTIVE ELECTRODE, SAID ELECTRODCES BEING SPACED FROM EACH OTHER, A MOLTEN ELECTROLYTE IN SAID CELL AND IN CONTACT WITH SAID ELECTRODES, SAID MOLTEN ELECTROLYTE COMPRISING SODIUM HYDROXIDE, MEANS FOR PASSING SAID MOLTEN ELECTROLYTE THROUGH SAID CELL AT A CONTROLLED RATE, AND MEANS FOR PASSING AN OXIDIZING AGENT INTO EFFECTIVE PROXIMITY WITH SAID ELECTROLYTE THROUGH SAID POROUS ELECTRICALLY CONDUCTIVE ELECTRODE.
Claim 2
Dependent Claim
90 words
A BATTERY COMPRISING A SYSTEM INCLUDING A CELL, SAID CELL HAVING AN ELECTRODE COMPRISING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METALS, AND A POROUS ELECTRICALLY CONDUCTIVE ELECTRODE, SAID ELECTRODCES BEING SPACED FROM EACH OTHER, A MOLTEN ELECTROLYTE IN SAID CELL AND IN CONTACT WITH SAID ELECTRODES, SAID MOLTEN ELECTROLYTE COMPRISING SODIUM HYDROXIDE, MEANS FOR PASSING SAID MOLTEN ELECTROLYTE THROUGH SAID CELL AT A CONTROLLED RATE, AND MEANS FOR PASSING AN OXIDIZING AGENT INTO EFFECTIVE PROXIMITY WITH SAID ELECTROLYTE THROUGH SAID POROUS ELECTRICALLY CONDUCTIVE ELECTRODE.
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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |