US3180761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical cell electrode containing an expanded metal grid
Assignee: VARTA AG
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Filing: 1963-04-25
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Granted: 1965-04-27
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Expires: 1983-04-25
Abstract
No abstract record available.
Inventors
- 👤 Horn Lutz
- 👤 Philipp Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:05
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/72; H01M4/74; H01M4/745; B; B21; B21D; B21D31/00; B21D31/04; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN AN ELECTROCHEMICAL CELL: AN ELECTRODE COMPRISING A THREE-DIMENSIONAL EXPANDED METAL GRID, SAID GRID BEING A METAL SHEET CONSISTING OF METAL STRIPS HAVING BONDS AND STRNDS, THE STRANDS INTERCONNECTING THE BONDS AND EACH FOUR ADJACENT ONES OF THE BONDS INTERCONNECTED BY FOUR OF THE STRANDS DEFINING A MESH OPENING, THE METAL STRIPS BEING SLANTED TRANSVERSELYIN RESPECT OF A PLANE EXTENDING CENTRALLY WITHIN THE SHEET EACH OF THE METAL STRIPS BEING A THREE-DIMENSIONAL EXPANDED METAL SHEET, EACH OF THE STRIPS ALSO HAVING BONDS AND STRANDS DEFINING ADDITIONAL MESH OPENINGS THEREBETWEEN, THE LATTER BONDS AND STRANDS BEING SLANTED TRANSVERSELY IN RESPECT OF A PLANE EXTENDING CENTRALLY THEREWITHIN, THE ADDITIONAL MESH OPENINGS BEING SUBSTANTIALLY SMALLER THAN THE FIRST-MENTIONED MESH OPENINGS, ACTIVE MATERIAL WITHIN THE MESH OPENINGS OF THE GRID, AND AN OUTER FRAMEWORK HOLDING THE GRID, THE OUTER FRAMEWORK BEING MORE RIGID THAN THE EXPANDED METAL GRID.
Claim 2
Dependent Claim
144 words
IN AN ELECTROCHEMICAL CELL: AN ELECTRODE COMPRISING A THREE-DIMENSIONAL EXPANDED METAL GRID, SAID GRID BEING A METAL SHEET CONSISTING OF METAL STRIPS HAVING BONDS AND STRNDS, THE STRANDS INTERCONNECTING THE BONDS AND EACH FOUR ADJACENT ONES OF THE BONDS INTERCONNECTED BY FOUR OF THE STRANDS DEFINING A MESH OPENING, THE METAL STRIPS BEING SLANTED TRANSVERSELYIN RESPECT OF A PLANE EXTENDING CENTRALLY WITHIN THE SHEET EACH OF THE METAL STRIPS BEING A THREE-DIMENSIONAL EXPANDED METAL SHEET, EACH OF THE STRIPS ALSO HAVING BONDS AND STRANDS DEFINING ADDITIONAL MESH OPENINGS THEREBETWEEN, THE LATTER BONDS AND STRANDS BEING SLANTED TRANSVERSELY IN RESPECT OF A PLANE EXTENDING CENTRALLY THEREWITHIN, THE ADDITIONAL MESH OPENINGS BEING SUBSTANTIALLY SMALLER THAN THE FIRST-MENTIONED MESH OPENINGS, ACTIVE MATERIAL WITHIN THE MESH OPENINGS OF THE GRID, AND AN OUTER FRAMEWORK HOLDING THE GRID, THE OUTER FRAMEWORK BEING MORE RIGID THAN THE EXPANDED METAL GRID.
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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |