Sole
US4463505A · kind A · utility
31Cited by
9References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 1982 |
| Grant date | Aug 7, 1984 |
| Priority date | — |
| Expiry date | Sep 27, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/12
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An improved sole for footwear comprising an insole unit having an axially extending surface and a peripheral rib projecting downwardly from the surface for stitching the insole to the upper of the footwear, a midsole attached to the insole, the insole and midsole defining the top and bottom surfaces of a cavity, the cavity being bounded about its periphery by the rib, and an outsole attached to the midsole, the improvement comprising an orthotic element mounted in the cavity, the orthotic element comprising an axially extending flexible support layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.