US3238070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical filter
Assignee: General Dynamics Corp
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Filing: 1963-02-18
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Granted: 1966-03-01
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Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Ii John T Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:03
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/18; H01M50/00; H01M50/70; H01M50/77; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A SECONDARY BATTERY WHICH COMPRISES AN ELECTROLYTIC CELL HAVING FIRST AND SECOND ELETRODES, SAID FIRST ELECTRODE BEING OF A MATERIAL WHICH IS CONSUMED IN THE CURRENTGENERATING PROCESS, MEANS FOR CIRCULATING A FLUID ELECTROLYTE THROUGH SAID CELL, AN ELECTROCONDUCTING FILTER DISPOSED SO THAT SAID ELECTROLYTE IS CIRCULATED THERETHROUGH AND SO THAT SAID FILTER IS ELECTROLYTICALLY LINKED TO A SECOND ELECTRODE THROUGH SAID FLUID ELECTROLYTE, AND MEANS ELECTRICALLY CONNECTING SAID FILTER AND SAID LINKED SECOND ELECTRODE TO ESTABLISH A SHORT CIRCUIT THEREBETWEEN WHEREBY PARTICLES WHICH BECOME DETACHED FROM SAID FIRST CONSUMABLE ELECTRODE COLLECT AT SAID FILTER AND ARE ELECTROLYTICALLY DISSOLVED INTO SAID ELECTROLYTE.
Claim 2
Dependent Claim
101 words
A SECONDARY BATTERY WHICH COMPRISES AN ELECTROLYTIC CELL HAVING FIRST AND SECOND ELETRODES, SAID FIRST ELECTRODE BEING OF A MATERIAL WHICH IS CONSUMED IN THE CURRENTGENERATING PROCESS, MEANS FOR CIRCULATING A FLUID ELECTROLYTE THROUGH SAID CELL, AN ELECTROCONDUCTING FILTER DISPOSED SO THAT SAID ELECTROLYTE IS CIRCULATED THERETHROUGH AND SO THAT SAID FILTER IS ELECTROLYTICALLY LINKED TO A SECOND ELECTRODE THROUGH SAID FLUID ELECTROLYTE, AND MEANS ELECTRICALLY CONNECTING SAID FILTER AND SAID LINKED SECOND ELECTRODE TO ESTABLISH A SHORT CIRCUIT THEREBETWEEN WHEREBY PARTICLES WHICH BECOME DETACHED FROM SAID FIRST CONSUMABLE ELECTRODE COLLECT AT SAID FILTER AND ARE ELECTROLYTICALLY DISSOLVED INTO SAID ELECTROLYTE.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |