Waterproof shoe having an elastic top open end
US6760982B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2002 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | Jan 2, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B23/07
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A shoe includes an upper with a first notched edge, an inner lining disposed inside the upper and having a second notched edge in alignment with the first notched edge, and a sock-like waterproof lining made of a waterproof breathable membrane and disposed between the upper and the inner lining. The waterproof lining has a third notched edge in alignment with the first notched edge. An elastic part spans the first, second and third notched edges, and has an outer layer and an inner layer both of which are elastic. The inner layer has a peripheral edge attached to the second notched edge to form an inner seam. The outer layer has a peripheral edge attached to the first notched edge to form an outer seam. The third notched edge is attached to one of the first and second notched edges along one of the inner and outer seams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.