US 12,233,291 B2
Face mask with smart features and functions
Kailash C. Vasudeva, Waterloo (CA); and Satnam Singh, Kitchener (CA)
Filed by Kailash C. Vasudeva, Waterloo (CA); and Satnam Singh, Kitchener (CA)
Filed on Apr. 30, 2021, as Appl. No. 17/246,180.
Claims priority of provisional application 63/119,608, filed on Nov. 30, 2020.
Claims priority of provisional application 63/092,461, filed on Oct. 15, 2020.
Claims priority of provisional application 63/018,509, filed on Apr. 30, 2020.
Prior Publication US 2021/0339062 A1, Nov. 4, 2021
Int. Cl. A62B 23/02 (2006.01); A62B 18/00 (2006.01); A62B 18/08 (2006.01)
CPC A62B 23/02 (2013.01) [A62B 18/006 (2013.01); A62B 18/084 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A face mask for being worn by a person, the face mask comprising:
a shell configured to cover a nose and a mouth of the person, at least a portion of the shell having sufficient transparency to provide for visual observation of the mouth of the person when the person is wearing the face mask, the shell having:
an inhale port configured to provide for air to pass from an environment into a cavity defined by the shell when the person wearing the face mask inhales;
an exhale port configured to provide for air to pass from the cavity to the environment when the person wearing the face mask exhales; and
a retaining element coupled to the shell for retaining the face mask on the person,
a sealing member coupled to a perimeter of the shell, the sealing member being configured to provide for the face mask to fit snugly against the face of the user and inhibit passage of air between the cavity and the environment; and
a retainer ring configured to snap fit over the shell and couple to the sealing member to hold the shell and the sealing member together.