Shoe sole with dual energy management system
US6528140B1 · kind B1 · utility
11Cited by
16References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1999 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Apr 1, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31837
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An article of footwear provides a dual energy management system to improve the biomechanical properties of the article of footwear. The article of footwear includes a forefoot portion, a rearfoot portion, and a sole layer. The sole layer is divided into a first area and a second area. The first area extends over the forefoot portion and comprises an elastic material. The second area extends over the rearfoot portion and comprises a viscous material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.