Footwear with improved insole
US7222443B2 · kind B2 · utility
6Cited by
12References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 2004 |
| Grant date | May 29, 2007 |
| Priority date | — |
| Expiry date | Nov 26, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/40
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Footwear includes an insole with at least one covered opening in the insole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.