Shoe sole having forwardly and rearwardly facing protrusions
US8671589B2 · kind B2 · utility
9Cited by
29References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2010 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Feb 5, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/223
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A shoe sole structure includes a plurality of downwardly extending protrusions arranged transverse to the longitudinal axis of the shoe and extending at least partially between a lateral edge and a medial edge of the shoe sole. The protrusions arranged in the heel region of the sole are angled forwardly and the protrusions arranged in the forefoot region are angled rearwardly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.