Sports footwear structure with removable inner shoe
US5878513A · kind A · utility
23Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1997 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Sep 10, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B5/0409
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The sports footwear described comprises a first and a second footwear element (4, 5) such as an outer upper portion and an inner shoe, one of the elements having, on the corresponding surface facing the other element, at least one localized projection (22-27) which can be housed substantially with shape coupling in a recess (12-17) localized in a corresponding position in the other element so that the elements are connected to one another by the coupling of each projection in the corresponding recess.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.