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US 2023/0053408 A1Published application
Face mask with purified air inside
OwnerAlexander CHAK, Mark CHAKinventors
Life of this patent
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Abstract
A face mask with purified air inside has a mask element formed so as to cover at least a part of a user's face including at least a user's nose and a user's mouth, and components for supplying into a space between the mask element and the user's nose and the user's mouth a purified air from a source outside the mask element.
Claims5
A protective face mask, comprising
- a mask element formed so as to cover at least a part of a user's face including at least a user's nose and a user's mouth;
- and
- means for supplying into a space between the mask element and the user's nose and the user's mouth a purified air from a source outside the mask element.
Dependencies are inferred from the claim text.