Air purifier

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FIG. 1 is a perspective view showing the new design for an air purifier;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The portions of the air purifier in FIGS. 1-7 shown in broken lines are included to show features that form no part of the claimed design.


The ornamental design for an air purifier, as shown and described.

Referenced Cited
U.S. Patent Documents
D638923 May 31, 2011 Choi
D639413 June 7, 2011 Wu
D705410 May 20, 2014 Terao
D735843 August 4, 2015 Sunwoo
D741465 October 20, 2015 Satou
D791297 July 4, 2017 Ljungstrom
D797272 September 12, 2017 Poindexter
D798430 September 26, 2017 Nord
20060015974 January 19, 2006 Ike
Foreign Patent Documents
D1541941 January 2016 JP
D1554467 July 2016 JP
D1561709 October 2016 JP
Patent History
Patent number: D835248
Type: Grant
Filed: Sep 6, 2017
Date of Patent: Dec 4, 2018
Inventors: Nicolas A. Echeverri (Woodbury, MN), Alonso M. Hernandez (St. Paul, MN), Aaron P. Thompson (Menomonie, WI), Angela L. Pan (Arden Hills, MN), Brian D. Gale (Blaine, MN), Andrew R. Fox (Oakdale, MN), Himanshu Jasuja (Rajasthan)
Primary Examiner: David Muller
Application Number: 29/616,453
Current U.S. Class: Air Cleaner (D23/364)