Patent US2969414A successfully refreshed from Google Patents.
US2969414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of cadmium and nickel plates for batteries of the nickelcadmium type
Assignee: Individual
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Filing: 1958-09-30
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Granted: 1961-01-24
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Expires: 1978-09-30
Abstract
No abstract record available.
Inventors
- 👤 Fleischer Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:19
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/26; H01M4/28; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A METHOD OF MANUFACTURING ELECTRODE PLATES FROM SINTERED, POROUS, NICKEL PLAQUES CARRYING THE ELECTRODIC MATERIALS OF NICKEL CADMIUM BATTERIES COMPRISING IMPREGNATING SAID PLAQUES WITH A SOLUTION OF THE SALTS OF SAID ELECTRODIC MATERIALS, CATHODE POLARIZATION OF SAID MATERIALS IN ALKALINE SOLUTION, AND WASHING AND DRYING THE PLATES CHARACTERIZED IN THAT THE WASHING OPERATION IS PRECEDED BY A SOAKING OF THE PLATES FROM 1 TO 10 MINUTES, IN AN AQUEOUS SOLUTION CONTAINING (1) AN AMMONIACAL REAGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM HYDROXIDE, SUBSTITUTED AMMONIUM HYDROXIDES, METHYLAMINE, ETHYLAMINE, PROPYLAMINE, TRIHYDROXY ETHYLAMINE AND QUATERNARY AMMONIUM COMPOUNDS AND (2) A SOLUBLE AMMONIUM SALT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM NITRATE, AMMONIUM CHLORIDE AND AMMONIUM ACETATE FOR THE PURPOSE OF REMOVING THE EXCESS OF SAID ACTIVE ELECTRODIC MATERIALS FROM THE SURFACES OF THE FINISHED PLATES.
Claim 2
Independent Claim
133 words
A METHOD OF MANUFACTURING ELECTRODE PLATES FROM SINTERED, POROUS, NICKEL PLAQUES CARRYING THE ELECTRODIC MATERIALS OF NICKEL CADMIUM BATTERIES COMPRISING IMPREGNATING SAID PLAQUES WITH A SOLUTION OF THE SALTS OF SAID ELECTRODIC MATERIALS, CATHODE POLARIZATION OF SAID MATERIALS IN ALKALINE SOLUTION, AND WASHING AND DRYING THE PLATES CHARACTERIZED IN THAT THE WASHING OPERATION IS PRECEDED BY A SOAKING OF THE PLATES FROM 1 TO 10 MINUTES, IN AN AQUEOUS SOLUTION CONTAINING (1) AN AMMONIACAL REAGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM HYDROXIDE, SUBSTITUTED AMMONIUM HYDROXIDES, METHYLAMINE, ETHYLAMINE, PROPYLAMINE, TRIHYDROXY ETHYLAMINE AND QUATERNARY AMMONIUM COMPOUNDS AND (2) A SOLUBLE AMMONIUM SALT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM NITRATE, AMMONIUM CHLORIDE AND AMMONIUM ACETATE FOR THE PURPOSE OF REMOVING THE EXCESS OF SAID ACTIVE ELECTRODIC MATERIALS FROM THE SURFACES OF THE FINISHED PLATES.
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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |