Heel insert
US7284342B2 · kind B2 · utility
53Cited by
4References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2004 |
| Grant date | Oct 23, 2007 |
| Priority date | — |
| Expiry date | Nov 12, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B17/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A removable insole for insertion into footwear, includes a forefoot portion, a heel portion, and an arch portion connecting together the forefoot and heel portions. At least one of the forefoot portion, heel portion and arch portion is formed by a lower layer of a resilient material which provides a cushioning function, and an upper layer positioned and secured on top of the lower layer and formed of a material having a Shore “000” hardness of less than about 45, and a tear strength greater than about 6.3 lb/in.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.