Patent US2853537A successfully refreshed from Google Patents.
US2853537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet electrolyte for batteries
Assignee: Individual
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Filing: 1956-11-30
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Granted: 1958-09-23
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Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Sidney A Corren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:35
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/22; H01M50/00; H01M50/40; H01M50/409; H01M50/431; H01M50/434; H01M50/437; H01M50/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A DIE CUTTABLE ELECTROLYTE SHEET STRUCTURE, CONTAINING IMMOBILIZED ELECTROLYTE, ADAPTED FOR INSERTION BETWEEN THE POSITIVE AND NEGATIVE ELECTRODES OF AN ELECTROCHEMICAL CELL TO PROVIDE A CELL REACTION AND ION DIFFUSION MEDIUM BETWEEN SAID ELECTRODES IN THE ABSENCE OF MOBILE ELECTROLYTE COMPRISING A POLYVINYL ALCOHOL SHEET, A WOVEN FIBER REINFORCING MEMBER ENCAPSULATED IN SAID POLYVINYL ALCOHOL SHEET, AND A LIQUID ELECTROLYTE IMPREGNATED IN THE SAID POLYVINYL ALCOHOL SHEET, WHEREIN SAID FIBER IS SELECTED FROM THE GROUP CONSISTING OF GLASS AND POLYMERIC SYNTHETIC RESIN FIBERS MUTUALLY NON-SOLUBLE AND NON-REACTIVE WITH SAID ELECTROLYTE AND SAID POLYVINYL ALCOHOL.
Claim 2
Dependent Claim
94 words
A DIE CUTTABLE ELECTROLYTE SHEET STRUCTURE, CONTAINING IMMOBILIZED ELECTROLYTE, ADAPTED FOR INSERTION BETWEEN THE POSITIVE AND NEGATIVE ELECTRODES OF AN ELECTROCHEMICAL CELL TO PROVIDE A CELL REACTION AND ION DIFFUSION MEDIUM BETWEEN SAID ELECTRODES IN THE ABSENCE OF MOBILE ELECTROLYTE COMPRISING A POLYVINYL ALCOHOL SHEET, A WOVEN FIBER REINFORCING MEMBER ENCAPSULATED IN SAID POLYVINYL ALCOHOL SHEET, AND A LIQUID ELECTROLYTE IMPREGNATED IN THE SAID POLYVINYL ALCOHOL SHEET, WHEREIN SAID FIBER IS SELECTED FROM THE GROUP CONSISTING OF GLASS AND POLYMERIC SYNTHETIC RESIN FIBERS MUTUALLY NON-SOLUBLE AND NON-REACTIVE WITH SAID ELECTROLYTE AND SAID POLYVINYL ALCOHOL.
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) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |