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The ornamental design for an air pump, as shown and described.
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The broken lines illustrate portions of the air pump that form no part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 05 2019 | xngxu Youmay Electric Appliance Co., Ltd. | (assignment on the face of the patent) | / | |||
May 05 2021 | LIU, YINGAN | JIANGSU YOUMAY ELECTRIC APPLIANCE CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 056135 | /0018 |
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