Cushioned footwear and apparatus for making the same
US6145220A · kind A · utility
22Cited by
9References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1995 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Nov 22, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B21/26
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Improved cushioned footwear of the type in which, in the past, nails, such as heel nails, gang nails and/or heel seat nails extended into the heel area of the footwear and/or in which, in the past, such footwear included a rigid shank which extended into the heel area, is formed with an opening in the heel area. The heel plug of a cushioning element is placed in the opening. The apparatus for forming the opening is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.