US2771499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric battery plate and method of producing the same
Assignee: Nickel Cadmium Battery Corp
•
Filing: 1952-12-09
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Granted: 1956-11-20
•
Expires: 1972-12-09
Abstract
No abstract record available.
Inventors
- 👤 Fleischer Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:41
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/0438; H01M4/044; H01M4/24; H01M4/246; H01M4/64; H01M4/70; H01M4/80; H01M4/801; H01M4/803; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
A SECONDARY ELECTRIC BATTERY COMPRISING A POROUS, ACTIVE MATERIAL CARRIER COMPOSED ESSENTIALLY OF NICKEL AND HAVING FUNCTIONALLY ACTIVE MATERIAL WITHIN ITS PORES CONSISTING ESSENTIALLY OF CADMIUM WITH A PORTION OF INDIUM AMOUNTING TO BETWEEN 1/2% TO 2% OF THE AMOUNT OF CADMIUM.
References Cited (Backward Citations)
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Cited
US1960740A
Cited
US2182380A
Cited
US2157933A
Cited
US2672494A
Cited
US2683184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |