US2635127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interelectrode separator for rechargeable batteries
Assignee: Yardney International Corp
•
Filing: 1951-05-05
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Granted: 1953-04-14
•
Expires: 1971-05-05
Abstract
No abstract record available.
Inventors
- 👤 Michel N Yardney
- 👤 Martin E Kagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:44
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/16; F23R3/18; F23R3/22; H; H01; H01M; H01M10/00; H01M10/24; H01M10/28; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; H01M50/429; H01M50/449; H01M2300/00; H01M2300/0002; H01M2300/0014; H01M50/4295; H01M50/44; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A BATTERY COMPRISING A CASING, AN ALKALINE ELECTROLYTE IN SAID CASING, A POSITVE AND A NEGATIVE ELECTRODE OF SUBSTANTIALLY NON-COMPRESSIBLE, COMPACT MATERIAL IN SAID ELECTROLYTE, AND A MEMBRANE OF POLYVINYL ALCOHOL INTERPOSED BETWEEN SAID ELECTRODES AND PERMEATED BY SAID ELECTROLYTE, SAID ELECTRODES AND SAID MEMBRANE FORMING PART OF AN ASSEMBLY FITTING TIGHTLY INSIDE SAID CASING, SAID PERMEATED MEMBRANE EXERTING PRESSURE UPON SAID ELECTRODES IN SAID CASING
Claim 2
Dependent Claim
66 words
A BATTERY COMPRISING A CASING, AN ALKALINE ELECTROLYTE IN SAID CASING, A POSITVE AND A NEGATIVE ELECTRODE OF SUBSTANTIALLY NON-COMPRESSIBLE, COMPACT MATERIAL IN SAID ELECTROLYTE, AND A MEMBRANE OF POLYVINYL ALCOHOL INTERPOSED BETWEEN SAID ELECTRODES AND PERMEATED BY SAID ELECTROLYTE, SAID ELECTRODES AND SAID MEMBRANE FORMING PART OF AN ASSEMBLY FITTING TIGHTLY INSIDE SAID CASING, SAID PERMEATED MEMBRANE EXERTING PRESSURE UPON SAID ELECTRODES IN SAID CASING
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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) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |