Face mask with anti-fog folding
US7290545B2 · kind B2 · utility
40Cited by
54References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2004 |
| Grant date | Nov 6, 2007 |
| Priority date | — |
| Expiry date | May 22, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B23/025
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A face mask is provided that is configured to reduce or eliminate fogging that may occur on eye wear or an eyeshield worn by a user of the face mask. The face mask includes a body portion that has a layer with an inner surface configured for facing the face of the user. The layer has at least one fold that extends in a horizontal direction across at least a portion of the layer. The fold has a fold forming portion located between and attached to two primary portions of the layer. The inner surface of the fold forming portion is in facing relationship with the inner surface of the vertically disposed lower primary portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.