Sectional shoe mid-sole
US3952429A · kind A · utility
14Cited by
4References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 13, 1975 |
| Grant date | Apr 27, 1976 |
| Priority date | — |
| Expiry date | Jan 13, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/16
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A composite mid-sole especially adapted for incorporation into platform shoes and consisting of a rigid heel and shank part interconnected with a flexible forepart. The mid-sole parts are composed of moldable plastic material of differing densities, the composite mid-sole being a unit to be lasted to a shoe upper and a shoe outsole in a subsequent manufacturing operation. An improved fastening means conjoining the heel and shank part to the forepart of the mid-sole is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.