Shoe sole and cushion for a shoe sole
US7451556B2 · kind B2 · utility
17Cited by
13References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2003 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | Jun 1, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/20
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention relates to a cushion (20) for use in a shoe sole. The cushion (20) includes a medial chamber (26) for cushioning a medial portion of a wearer's foot, an internal chamber (40) disposed within the medial chamber (26) to increase a stiffness of the medial chamber, and at least one lateral chamber (24) for cushioning a lateral portion of the wearer's foot. The medial chamber (26) and lateral chamber (24) may be of unitary construction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.