Insole with ventilation
US7658018B2 · kind B2 · utility
37Cited by
6References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 31, 2007 |
| Grant date | Feb 9, 2010 |
| Priority date | — |
| Expiry date | Sep 16, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B17/08
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The insole has a number of flexible bulges on a first major surface, and a number of protruding ribs on a second major surface. The projections of the bulges fall within the regions bounded by the ribs. The bulges and their underlying bounding ribs therefore form a number of chambers. The insole further contains a number of through holes positioned between the ends of at least two ribs. The insole further contains a larger heel bulge provided on the first major surface in the heel section, and a concave on the second major surface, which is conducted to the other chambers via at least a duct.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.