Patent US2635127A successfully refreshed from Google Patents.
US2635127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interelectrode separator for rechargeable batteries
Assignee: Yardney International Corp
•
Filing: 1951-05-05
•
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 15:14
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
References Cited (Backward Citations)
USRE22065E
Cited
US2176427A
Cited
US2256105A
Cited
US2420456A
Cited
US2448052A
Cited
US2422045A
Cited
US2566114A
Cited
US2519399A
Cited
US2594709A
Cited
US2594711A
Cited
US2594710A
Cited
US2594712A
Cited
US2594713A
Cited
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 |