US2594711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc-silver accumulator
Assignee: Yardney International Corp
•
Filing: 1948-12-20
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Granted: 1952-04-29
•
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 11:26
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.
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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 |