Patent US2594711A successfully refreshed from Google Patents.
US2594711A
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Zinc-silver accumulator
Assignee: Yardney International Corp
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Filing: 1948-12-20
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Granted: 1952-04-29
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Expires: 1968-12-20
Abstract
No abstract record available.
Inventors
- 👤 Henri G Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:37
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
76 words
IN AN ELECTROCHEMICAL GENERATOR OF ENERGY IN COMBINATION, A POSITIVE ELECTRODE AND A NEGATIVE ELECTRODE, ONE OF SAID ELECTRODES COMPRISING AN ELECTROCHEMICALLY ACTIVE MATERIAL AND AN ELECTROLYTE-PERMEABLE NSULATING ENVELOPE ENCLOSING SAID MATERIAL, SAID ENVELOPE BEING FOLDED SUBSTANTALLY IN THE FORM OF A U WITH UPWARDLY EXTENDING ARMS, THE OTHER OF SAID ELECTRODES BEING IN CONTACT WITH THE OUTER SURFACE OF SAID ENVELOPE AND COMPRISING A METAL SHEET HAVING PORTONS RESPECTIVELY EMBRACING THE ARMS OF THE U.
Claim 2
Dependent Claim
76 words
IN AN ELECTROCHEMICAL GENERATOR OF ENERGY IN COMBINATION, A POSITIVE ELECTRODE AND A NEGATIVE ELECTRODE, ONE OF SAID ELECTRODES COMPRISING AN ELECTROCHEMICALLY ACTIVE MATERIAL AND AN ELECTROLYTE-PERMEABLE NSULATING ENVELOPE ENCLOSING SAID MATERIAL, SAID ENVELOPE BEING FOLDED SUBSTANTALLY IN THE FORM OF A U WITH UPWARDLY EXTENDING ARMS, THE OTHER OF SAID ELECTRODES BEING IN CONTACT WITH THE OUTER SURFACE OF SAID ENVELOPE AND COMPRISING A METAL SHEET HAVING PORTONS RESPECTIVELY EMBRACING THE ARMS OF THE U.
References Cited (Backward Citations)
US388601A
Cited
US942279A
Cited
GB190621472A
Cited
US842616A
Cited
US1486434A
Cited
US1955115A
Cited
US2317711A
Cited
US2490630A
Cited
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 |