Footwear with support and traction
US9918512B2 · kind B2 · utility
6Cited by
40References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2015 |
| Grant date | Mar 20, 2018 |
| Priority date | — |
| Expiry date | Sep 3, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B23/28
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A layered engagement structure includes a first layer with a multiple of openings, the first layer at least partially corresponds to a shape of a foot sole and a multiple of columns, each of the multiple of columns correspond with one of the multiple of openings in the first layer to extend at least partially therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.