U.S. patent number D881,473 [Application Number D/710,722] was granted by the patent office on 2020-04-14 for face mask. The grantee listed for this patent is Xiang Xu. Invention is credited to Xiang Xu.
United States Patent | D881,473 |
Xu | April 14, 2020 |
Inventors: | Xu; Xiang (Shenzhen, CN) | ||||||||||
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Applicant: |
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Appl. No.: | D/710,722 | ||||||||||
Filed: | October 25, 2019 |
Current U.S. Class: | D29/108 |
Current International Class: | 2902 |
Field of Search: | ;D29/100,102,103,104,105,106,107,108,109,122 ;D24/110,110.1,110.2 ;D2/741,853 ;D21/659,660 ;2/69,206 |
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