Insert for a shoe sole
US5528842A · kind A · utility
183Cited by
39References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1995 |
| Grant date | Jun 25, 1996 |
| Priority date | — |
| Expiry date | May 30, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/183
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An insert for a shoe sole includes a heel lever which absorbs energy from the foot during heel strike and returns the energy to the foot during heel lift-off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.