Patent ID: 9655392
Date: 2017-05-23
CPC Classifications: A41D,A62B

Claim:
1. A filtering face mask, the mask comprising: two straps, each having a first and second end point, one or more structure layers, said structure layers comprising material sufficient to maintain a substantially three-dimensional configuration, each structure layer comprising two or more cutout areas where no structure layer material exists, said cutout areas facilitating an ability of the mask to fold during a configuration change from a substantially two-dimensional flat configuration to the substantially three-dimensional configuration due to an absence of structure layer material in the cutout areas; one or more filter layers, said one or more filter layers comprising material sufficient to reduce a presence of certain substances in air that passes through the one or more filter layers, said one or more filter layers not having cutout areas, said one or more structure layers and said one or more filter layers having substantially the same length and width, and at least one of said layers comprising two or more strap holes; wherein the end points of each of the straps are attached to said layers at a pair of attachment points, each pair of attachment points comprising a first and a second attachment point, and the straps run through the strap holes; wherein the mask is configured to undergo the configuration change from said substantially two-dimensional flat configuration to said substantially three-dimensional configuration when the straps are pulled.