Sole for footwear
US6502330B1 · kind B1 · utility
78Cited by
11References
14Claims
0Family size
Inventors
Key dates
| Filing date | Mar 2, 2001 |
| Grant date | Jan 7, 2003 |
| Priority date | — |
| Expiry date | Mar 2, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B17/023
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A sole includes a strengthener in the form of a closed loop which surrounds the zone on which the heel rests and is extended forward in the form of two branches extending along the two edges of the sole at least as far as the zone of the first and fifth metatarsal heads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.