Claims (1)
Claim 1 (Independent)
The ornamental design for an air purifier, as shown and described.
Full Description
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FIG. 1 is a perspective view of an air purifier; FIG. 2 is a front view thereof; FIG. 3 is a back view thereof; FIG. 4 is a top view thereof; FIG. 5 is a bottom view thereof; FIG. 6 is a left side view thereof; and, FIG. 7 is a right side view thereof.
Citations
This patent cites (10)
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