US Patent 11369155 Removable face mask
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Yihu Tang0
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US Patent 11369155 Removable face mask
Article
A removable face mask, which includes a face mask body and a supporting body, and further includes a fastener, wherein the fastener is rotated so that a buckling portion is passed through a hole on the face mask body and embedded into a hole on the supporting body, and the face mask body and the supporting body are connected in a snap-in manner, which simplifies the structure and provides the advantages of convenience in disassembly and use.
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Patent number
11369155
Date of patent
June 28, 2022
Patent application number
16938409
Date Filed
July 24, 2020
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