Expandable outsole
US4944099A · kind A · utility
140Cited by
13References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 1988 |
| Grant date | Jul 31, 1990 |
| Priority date | — |
| Expiry date | Aug 30, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B3/26
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An improved shoe outsole having an elastic shank (12) and suitable for outdoor wear, outsole portions (14,16) comprised of semi-rigid material for forming same, and a shoe (10) incorporating the improved outsole are disclosed. The front outsole portion (14) has a ledge (22) extending widthwise across the back end thereof and the rear outsole portion (16) has a ledge (24) extending widthwise across the front end thereof, such that the elastic shank (12) is joinable to the outsole portions (14,16) by means extending through the shank (12) and the ledges (22,24).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.