Shoe with external shell
US5243772A · kind A · utility
156Cited by
13References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 1992 |
| Grant date | Sep 14, 1993 |
| Priority date | — |
| Expiry date | Mar 13, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B5/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A shoe is provided comprising a sole, a sock attached to the sole, and a form-retaining shell attached to the sole, at least partially enclosing the sock, and not attached to the sock above the region of the sole, such that the sole may flex in use. The shell, an ankle restraint fastener and a heelband provide ankle support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.