U.S. patent number D872,064 [Application Number D/660,040] was granted by the patent office on 2020-01-07 for earphone. This patent grant is currently assigned to Guangzhou Lanshidun Electronic Limited Company. The grantee listed for this patent is Guangzhou Lanshidun Electronic Limited Company. Invention is credited to Hejin Cai.
United States Patent | D872,064 |
Cai | January 7, 2020 |
Inventors: | Cai; Hejin (Guangzhou, CN) | ||||||||||
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Applicant: |
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Assignee: | Guangzhou Lanshidun Electronic
Limited Company (Guangzhou, CN) |
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Appl. No.: | D/660,040 | ||||||||||
Filed: | August 15, 2018 |
Current U.S. Class: | D14/223 |
Current International Class: | 1401 |
Field of Search: | ;D14/223 ;D24/174 ;128/864,865,866 ;181/129,130,135 ;379/430,431 ;381/380,381 ;455/90.3,575.1,569.1 |
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