Air purifier
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Portions of the air purifier shown in broken lines form no part of the claimed design.
Claims
The ornamental design for an air purifier, as shown and described.
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Type: Grant
Filed: May 11, 2021
Date of Patent: Feb 13, 2024
Assignee: BISSELL Inc. (Grand Rapids, MI)
Inventors: Derek Everett Smith (Grand Rapids, MI), Dennis J. Wrobleski (Lowell, MI)
Primary Examiner: Sharon S Oum
Application Number: 29/783,123