Breathable rubber boot
US6665954B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Feb 5, 2002 |
| Grant date | Dec 23, 2003 |
| Priority date | — |
| Expiry date | Jul 11, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43C11/002
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A boot includes a shell having a foot portion and an upper. The shell is composed of a waterproof first part and at least one non-waterproof air-pervious second part. The second part includes upper and lower margins, and two opposite side margins connected to the upper and lower margins. The second part is connected to the first part at least along the side margins and the lower margin. The first part is made of a waterproof stretchable material at least in the upper. A waterproof air-pervious lining is attached to the second part along the upper, lower and side margins. Waterproof seam sealing members are disposed along connection seams between the first and second parts and the lining.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.