US3269864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodes for alkaline storage batteries
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
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Filing: 1963-03-21
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Granted: 1966-08-30
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Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 Ackermann Karl
- 👤 Schlecht Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:39
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/32; C; C12; C12P; C12P1/00; C12P1/06; H01M4/26; H01M4/28; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PROCESS FOR THE PRODUCTION OF ELECTRODES FOR ALKALINE STORAGE BATTERIES WHICH COMPRISES: IMPREGNATING A POROUS, AT LEAST PARTLY METALLIC ELECTRODE GRID WHICH IS INACTIVE TO THE ELECTROLYTE CONTAINED IN SAID ALKALINE STORAGE BATTERY WITH AN AQUEOUS SOLUTION CONTAINING AMMONIUM IONS, AND EXPOSING THE IMPREGNATED GRID TO AN ATMOSPHERE OF AMMONIA, WATER VAPOR, AND OXYGEN, WHEREBY AN ACTIVE COMPOSITION OBTAINED FROM SAID GRID AND COMPRISING OXIDIC COMPOUNDS OF THE METAL CONTAINED IN SAID GRID IS FORMED IN PORES OF SAID GRID.
Claim 2
Dependent Claim
81 words
A PROCESS FOR THE PRODUCTION OF ELECTRODES FOR ALKALINE STORAGE BATTERIES WHICH COMPRISES: IMPREGNATING A POROUS, AT LEAST PARTLY METALLIC ELECTRODE GRID WHICH IS INACTIVE TO THE ELECTROLYTE CONTAINED IN SAID ALKALINE STORAGE BATTERY WITH AN AQUEOUS SOLUTION CONTAINING AMMONIUM IONS, AND EXPOSING THE IMPREGNATED GRID TO AN ATMOSPHERE OF AMMONIA, WATER VAPOR, AND OXYGEN, WHEREBY AN ACTIVE COMPOSITION OBTAINED FROM SAID GRID AND COMPRISING OXIDIC COMPOUNDS OF THE METAL CONTAINED IN SAID GRID IS FORMED IN PORES OF SAID GRID.
References Cited (Backward Citations)
CA581849A
Cited
US2634303A
Cited
US2696515A
Cited
US2880257A
Cited
US3041388A
Cited
US2969414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |