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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 |
| D979030, | Oct 20 2022 | Air purifier | |
| D983336, | Jan 07 2021 | LG Electronics Inc. | Water heater |
| D987050, | Jun 24 2021 | SHENZHEN PUREMATE TECHNOLOGY CO., LTD.; SHENZHEN PUREMATE TECHNOLOGY CO , LTD | Air purifier |
| ER2211, | |||
| ER2380, | |||
| ER3796, | |||
| ER4394, | |||
| ER5011, | |||
| ER5668, | |||
| ER6101, | |||
| ER8242, | |||
| ER8465, | |||
| ER8538, | |||
| ER8718, | |||
| ER933, | |||
| ER9380, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Nov 18 2020 | YAN, YIQING | SHENZHEN PUREMATE TECHNOLOGY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 054417 | /0596 | |
| Nov 19 2020 | SHENZHEN PUREMATE TECHNOLOGY CO., LTD. | (assignment on the face of the patent) | / |
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