Patent US2594709A successfully refreshed from Google Patents.
US2594709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver and zinc accumulator with insoluble negative electrode and invariable electrolyte
Assignee: Yardney International Corp
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Filing: 1947-04-01
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Granted: 1952-04-29
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Expires: 1967-04-01
Abstract
No abstract record available.
Inventors
- 👤 Andre Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:21
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/244; H01M10/00; H01M10/24; H01M10/28; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/429; H01M50/489; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
AN ELECTRIC STORAGE BATTERY COMPRISING A CONTAINER, AN ALKALINE ELECTROLYTE IN SAID CONTAINER, SAID ELECTROLYTE BEING SUBSTANTIALLY SATURATED WITH ZINC, A NEGATIVE ELECTRODE IN SAID ELECTROLYTE CONTAINING ZINC, A POSITIVE ELECTRODE IN SAID ELECTROLYTE CONAINING A METAL MORE ELECTROPOSITIVE THAN ZINC, AN ELECTROLYTE-PERMEABLE SEPARATOR OF REGENERATED CELLULOSE BETWEEN SAID ELECTRODES, AND MEANS INCLUDING SAID CONTAINER MAINTAINING SAID SEPARATOR UNDER COMPRESSION, THEREBY REGU-
Claim 2
Dependent Claim
62 words
AN ELECTRIC STORAGE BATTERY COMPRISING A CONTAINER, AN ALKALINE ELECTROLYTE IN SAID CONTAINER, SAID ELECTROLYTE BEING SUBSTANTIALLY SATURATED WITH ZINC, A NEGATIVE ELECTRODE IN SAID ELECTROLYTE CONTAINING ZINC, A POSITIVE ELECTRODE IN SAID ELECTROLYTE CONAINING A METAL MORE ELECTROPOSITIVE THAN ZINC, AN ELECTROLYTE-PERMEABLE SEPARATOR OF REGENERATED CELLULOSE BETWEEN SAID ELECTRODES, AND MEANS INCLUDING SAID CONTAINER MAINTAINING SAID SEPARATOR UNDER COMPRESSION, THEREBY REGU-
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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 |