Sole with removable insert
US5212878A · kind A · utility
61Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1992 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Jan 31, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B13/187
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A sole for an article of footwear, such as an athletic shoe, comprises a mass of sole-forming material having provided therein a block of material functioning harmoniously with the remaining mass of material and providing a receptacle in the sole; and a user-selectable, removable insert fitted in the receptacle to impart desired energy characteristics to the sole. The insert can be selected by the user according to his particular needs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.