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The ornamental design for an office chair, as shown and described.
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The broken lines in the drawings illustrate portions of the office chair that form no part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 07 2019 | SHEN, YINUO | NINGBO MEIYING ELECTRONIC TECHNOLOGY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 047994 | /0390 | |
Jan 15 2019 | Ningbo Meiying Electronic Technology Co., Ltd | (assignment on the face of the patent) | / | |||
Sep 24 2021 | NINGBO MEIYING ELECTRONIC TECHNOLOGY CO , LTD | NINGBO MEIYING HOUSEHOLD GROUP CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 057647 | /0931 |
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