Differing void cell matrices
US10624419B2 · kind B2 · utility
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29References
20Claims
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Key dates
| Filing date | Jul 29, 2014 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | Jan 15, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/20
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A shoe sole comprises a first array of interconnected void cells that is oriented adjacent to a second opposing array of interconnected void cells, wherein the second opposing array of interconnected void cells is geometrically different from the first array of void cells and includes at least one void cell with an asymmetrical perimeter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.