US2747007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode for gavlvanic cells
Assignee: Tudor AB
•
Filing: 1951-08-15
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Granted: 1956-05-22
•
Expires: 1971-08-15
Abstract
No abstract record available.
Inventors
- 👤 Brandt Gustaf Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:50
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/76; H01M4/765; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN ELECTRODE OF THE CLASS DESCRIBED, COMPRISING A CENTRAL ROD OF CONDUCTIVE MATERIAL WHICH IS SURROUNDED BY A DISINTEGRABLE MASS OF ACTIVE MATERIAL, SAID ACTIVE MATERIAL BEING ADAPTED TO REACT ELECTROCHEMICALLY WITH A LIQUID ELECTROLYTE, A SOMEWHAT FLEXIBLE BREAKAGE RESISTANT THIN-WALLED HOLLOW TUBE FORMED OF A VINYL POLYMER, SAID TUBE HAVING PERFORATIONS FORMED IN SAID WALL TO PERMIT THE FREE CIRCULATION OF SAID ELECTROLYTE THERETHROUGH, SAID TUBE LATERALLY ENCLOSING SAID MASS OF ACTIVE MATERIAL, AND A COATING OF FLEXIBLE POROUS FABRIC CONSTRUCTED OF THREADS FORMED OF GLASS FIBERS, THE POROSITY OF SAID FABRIC RENDERING SAID FABRIC PERMEABLE TO SAID ELECTROLYTE WHILE EFFECTIVELY PREVENTING THE ESCAPE THERETHROUGH OF ANY PARTICLES RELEASED FROM SAID MASS OF ACTIVE MATERIAL BY SAID DISINTEGRATION, SAID FABRIC COATING BEING APPLIED TO THE INNER WALL SURFACE OF SAID TUBE AND EXTENDING CONTINUOUSLY OVER SAID INNER WALL SURFACE AND OVER SAID PERFORATIONS.
Claim 2
Dependent Claim
144 words
AN ELECTRODE OF THE CLASS DESCRIBED, COMPRISING A CENTRAL ROD OF CONDUCTIVE MATERIAL WHICH IS SURROUNDED BY A DISINTEGRABLE MASS OF ACTIVE MATERIAL, SAID ACTIVE MATERIAL BEING ADAPTED TO REACT ELECTROCHEMICALLY WITH A LIQUID ELECTROLYTE, A SOMEWHAT FLEXIBLE BREAKAGE RESISTANT THIN-WALLED HOLLOW TUBE FORMED OF A VINYL POLYMER, SAID TUBE HAVING PERFORATIONS FORMED IN SAID WALL TO PERMIT THE FREE CIRCULATION OF SAID ELECTROLYTE THERETHROUGH, SAID TUBE LATERALLY ENCLOSING SAID MASS OF ACTIVE MATERIAL, AND A COATING OF FLEXIBLE POROUS FABRIC CONSTRUCTED OF THREADS FORMED OF GLASS FIBERS, THE POROSITY OF SAID FABRIC RENDERING SAID FABRIC PERMEABLE TO SAID ELECTROLYTE WHILE EFFECTIVELY PREVENTING THE ESCAPE THERETHROUGH OF ANY PARTICLES RELEASED FROM SAID MASS OF ACTIVE MATERIAL BY SAID DISINTEGRATION, SAID FABRIC COATING BEING APPLIED TO THE INNER WALL SURFACE OF SAID TUBE AND EXTENDING CONTINUOUSLY OVER SAID INNER WALL SURFACE AND OVER SAID PERFORATIONS.
References Cited (Backward Citations)
US678512A
Cited
US1159021A
Cited
US1966237A
Cited
US1990976A
Cited
GB445708A
Cited
US2168366A
Cited
US2247091A
Cited
US2195211A
Cited
US2282979A
Cited
US2315592A
Cited
US2420456A
Cited
GB604829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |