Waterproof breathable footwear
US11116282B2 · kind B2 · utility
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6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 14, 2017 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Jun 14, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B23/0235
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention is an article of footwear comprising a waterproof upper (30) material having a breathability of less than 3 mg/cm<2>/h according to ISO (11092, 14268) 14268 (2012). The upper (30) material comprising at least one vent having a vent assembly (31) disposed within the at least one vent. The vent assembly (31) further comprises a waterproof, water vapor permeable functional layer (38) and a plurality of slats (32) disposed adjacent to the functional layer (38) and spaced apart from each other and from the functional layer (38) to provide for water-vapor flow through the vent assembly (31).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.