US 12,263,364 B2
Fine particle pollution filtering face mask suitable for aerobic exercise
Jason Nicholas Rich, Yarrow Point, WA (US)
Assigned to Jason Rioh, Yarrow Point, WA (US)
Filed by Jason Nicholas Rich, Yarrow Point, WA (US)
Filed on Oct. 16, 2022, as Appl. No. 17/966,843.
Prior Publication US 2024/0123267 A1, Apr. 18, 2024
Int. Cl. A62B 23/00 (2006.01); A61L 9/014 (2006.01); A62B 18/10 (2006.01); A62B 23/02 (2006.01); B01D 46/00 (2022.01); B01D 46/52 (2006.01)
CPC A62B 23/025 (2013.01) [A61L 9/014 (2013.01); A62B 18/10 (2013.01); B01D 46/0032 (2013.01); B01D 46/521 (2013.01); A61L 2209/14 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A filter mask comprising:
a flexible mask body constructed from a gas permeable filtration material that is shaped to cover portions of a face of a user, the flexible mask body comprising:
a top body portion that covers one or more contours of a nose of the user when worn;
a bottom body portion that covers one or more contours of a chin of the user when worn;
a mid-body portion extending between the top body portion and the bottom body portion, wherein the mid-body portion covers a right cheek and a left cheek of the user and extends from the right cheek to the left cheek;
a plurality of vertical pleats, each of the plurality of vertical pleats having a top end and a bottom end and extending from the top body portion to the bottom body portion, wherein each of the plurality of pleats is folded closed and fixed at the top and the bottom end, and each pleat being expandable in the mid-body portion;
a one-way exhale valve positioned near a center of the mid-body portion;
a first vertical seam positioned at a centerline of the top-body portion and a second vertical seam positioned at a centerline of the bottom-body portion, wherein the first vertical seam and the second vertical seam are positioned to create a semi-rigid chamber wherein the first vertical seam and second vertical seam do not extend through the mid-body portion of the flexible mask body; and
a retainer system to elastically secure the filter mask body to the face of the user, the retainer system consisting of at least one strap fastened to a right side and a left side of the filter mask body.