US3269869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inter-electrode separator
Assignee: Yardney International Corp
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Filing: 1963-06-21
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Granted: 1966-08-30
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Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Mendelsohn Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:38
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; H01M50/429; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
AN ELECTROCHENICAL CELL HAVING A POSITIVE ELECTRODE, A NEGATIVE ELECTRODE AND AN ELECTROLYTE IN CONTACT WITH SAID ELECTRODES, THE COMBINATION THEREWITH OF A SEPARATOR INTERMEDIATE SAID ELECTRODES AND COMPRISING A SHEET OF A THERMOPLASTIC MATERIAL SELECTED FROM THE GROUP WHICH CONSISTING OF POLYVINYL ALCOHOL AND NYLON INCORPORATING A METAL CHEMICALLY BOUND TO SAID MATERIAL, SAID METAL BEING SELECTED FROM THE GROUP WHICH CONSISTS OF SILVER, LITHIUM, LEAD, BISMUTH, VANADIUM, MOLYBEDENUM, TUNGSTEN, CERIUM, PLATINUM, IRON, NICKEL AND COBALT.
Claim 2
Dependent Claim
77 words
AN ELECTROCHENICAL CELL HAVING A POSITIVE ELECTRODE, A NEGATIVE ELECTRODE AND AN ELECTROLYTE IN CONTACT WITH SAID ELECTRODES, THE COMBINATION THEREWITH OF A SEPARATOR INTERMEDIATE SAID ELECTRODES AND COMPRISING A SHEET OF A THERMOPLASTIC MATERIAL SELECTED FROM THE GROUP WHICH CONSISTING OF POLYVINYL ALCOHOL AND NYLON INCORPORATING A METAL CHEMICALLY BOUND TO SAID MATERIAL, SAID METAL BEING SELECTED FROM THE GROUP WHICH CONSISTS OF SILVER, LITHIUM, LEAD, BISMUTH, VANADIUM, MOLYBEDENUM, TUNGSTEN, CERIUM, PLATINUM, IRON, NICKEL AND COBALT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |