Article of footwear having an inflatable ground engaging surface
US7784196B1 · kind B1 · utility
147Cited by
151References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2006 |
| Grant date | Aug 31, 2010 |
| Priority date | — |
| Expiry date | May 7, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/26
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An article of footwear has an upper and a sole. The sole has at least one inflatable bladder wherein said at least one inflatable bladder has an inflated state and a deflated state. A ground engaging surface of the sole has a first profile in the deflated state and a second profile in the inflated state. The first profile is different from the second profile. Varying the profile of the ground engaging surface varies the amount of cushioning in the sole so that the shoe can serve as a multipurpose shoe for activities requiring different amounts of cushioning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.