Waterproof shoe having a waterproof but vapor-permeable lining sleeve
US6474002B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jan 17, 2001 |
| Grant date | Nov 5, 2002 |
| Priority date | — |
| Expiry date | Jan 17, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B7/125
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A waterproof shoe includes an insole, an upper having a bottom open end secured to an insole, and a waterproof but vapor pervious lining sleeve disposed inside the upper. The lining sleeve includes a top open end connected to the top open end of the upper, and a bottom open end extending along an inner surface of the upper and ending at a distance from and above the bottom end of the upper. An adhesive or a waterproof adhesive tape is attached to and bonds together the bottom open end of the lining sleeve and the upper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.