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US3048644A
Expired / Lapsed
US
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Cadmium electrodes for galvanic cells
Assignee: VARTA Pertrix Union GmbH
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Filing: 1959-11-20
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Granted: 1962-08-07
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Expires: 1979-11-20
Abstract
No abstract record available.
Inventors
- 👤 Euler Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:55
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD OF MANUFACTURING GALVANIC CELL ELECTRODES COMPRISING THE STEPS OF MIXING CADMIUM POWDER WITH 0.1% TO 5.0%, BY WEIGHT OF THE CADMIUM, OF ZINC POWDER AND HEAT TREATING THE MIXTURE UNDER PRESSURE AND AT A TEMPERATURE OF ABOUT 250*C. AND 300*C. TO FORM AN ELECTRODE WHEREIN THE PARTICLES OF THE CADMIUM POWDER AND OF THE ZINC POWDER RETAIN THEIR INDENTITY.
Claim 2
Independent Claim
61 words
A METHOD OF MANUFACTURING GALVANIC CELL ELECTRODES COMPRISING THE STEPS OF MIXING CADMIUM POWDER WITH 0.1% TO 5.0%, BY WEIGHT OF THE CADMIUM, OF ZINC POWDER AND HEAT TREATING THE MIXTURE UNDER PRESSURE AND AT A TEMPERATURE OF ABOUT 250*C. AND 300*C. TO FORM AN ELECTRODE WHEREIN THE PARTICLES OF THE CADMIUM POWDER AND OF THE ZINC POWDER RETAIN THEIR INDENTITY.
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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |