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The ornamental design for an air purifier, as shown and described.
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The broken lines in the drawings illustrate the portions of the air purifier, which form no part of the claimed design.
| Patent | Priority | Assignee | Title |
| D987798, | Sep 06 2021 | SHENZHEN ANTOP TECHNOLOGY CO., LTD | Air purifier |
| D987799, | Oct 27 2021 | SHENZHEN ANTOP TECHNOLOGY CO., LTD | Air purifier |
| ER2648, | |||
| ER5538, | |||
| ER6555, | |||
| ER8339, | |||
| ER9241, | |||
| ER9516, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 14 2022 | WANG, ZHI | SHENZHEN XINCHENG INNOVATION TECHNOLOGY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 061115 | /0974 | |
| Sep 16 2022 | Shenzhen Xincheng Innovation Technology Co., Ltd. | (assignment on the face of the patent) | / |
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