Protective sole assembly
US4598486A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 15, 1985 |
| Grant date | Jul 8, 1986 |
| Priority date | — |
| Expiry date | Jan 15, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B7/32
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A sole construction for protective shoes comprises a protective mid-sole and an integrally molded insole and heel plug, the plug portion including a top surface, a recessed bed in the top surface, spaced-apart anchoring projections in the recessed bed and a slot extending through the insole laterally thereof adjacent the plug and communicating with the recessed bed. The mid-sole being coextensive with the insole and including a rearward extension adapted to pass through the slot in the insole and be received in the recessed bed. The rearward extension of the mid-sole includes complementary anchoring seats adapted to be selectively engaged by at least one of the anchoring projections in the bed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.