Training footwear
US8307569B2 · kind B2 · utility
40Cited by
50References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2009 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Mar 6, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B21/285
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Articles of footwear are disclosed. In one embodiment, an article of footwear comprises a sole having a forefoot portion and a heel portion. The sole comprises a midsole, an intermediate sole, and a ground contacting surface. At least a portion of the intermediate sole extends from the midsole such that a forefoot bulge substantially covers the forefoot portion of the ground contacting surface and a heel bulge substantially covers the heel portion of the ground contacting surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.