Ventilated shoe insole having minimal height front region
US6477789B2 · kind B2 · utility
13Cited by
9References
10Claims
0Family size
Inventor
Key dates
| Filing date | Dec 5, 2000 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Dec 5, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B7/081
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A shoe insole has a plurality of superimposed, thin, apertured, mesh and/or fabric layers at its front end region, and a heel-operated pump for pumping air through openings in the apertured layers. The layers occupy a minimal height and easily fit within footwear having a low overhead toe region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.