US2594713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric accumulator
Assignee: Yardney International Corp
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Filing: 1950-11-27
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Granted: 1952-04-29
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Expires: 1970-11-27
Abstract
No abstract record available.
Inventors
- 👤 Andre Henri Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:54
CPC Classifications
H; H01; H01M; H01M10/00; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/429; H01M50/489; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
AN ELECTRIC ACCUMULATOR, WHICH COMPRISES AT LEAST ONE POSITIVE ELECTRODE CONTAINING SILVER, AT LEAST ONE NEGATIVE ELECTRODE CONTAINING ZINC JUXTAPOSED WITH SAID POSITIVE ELECTRODE, A SEMIPERMEABLE MATERIAL BETWEEN SAID ELECTRODES, AN ALKALINE ELECTROLYTE IMPREGNATING SAID ELECTRODES AND SAID MATERIAL AND EXERTING A SWELLING INFLUENCE ON SAID MATERIAL, THE SWELLING OF SAID MATERIAL APPLYING THE SAME AGAINST SAID ELECTRODES UNDER A PRESSURE AT LEAST 15 KG./SQ. DM.
Claim 2
Dependent Claim
66 words
AN ELECTRIC ACCUMULATOR, WHICH COMPRISES AT LEAST ONE POSITIVE ELECTRODE CONTAINING SILVER, AT LEAST ONE NEGATIVE ELECTRODE CONTAINING ZINC JUXTAPOSED WITH SAID POSITIVE ELECTRODE, A SEMIPERMEABLE MATERIAL BETWEEN SAID ELECTRODES, AN ALKALINE ELECTROLYTE IMPREGNATING SAID ELECTRODES AND SAID MATERIAL AND EXERTING A SWELLING INFLUENCE ON SAID MATERIAL, THE SWELLING OF SAID MATERIAL APPLYING THE SAME AGAINST SAID ELECTRODES UNDER A PRESSURE AT LEAST 15 KG./SQ. DM.
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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |