Air purifier

- Woongjin Coway Co., Ltd.
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FIG. 1 is a perspective view of an air purifier showing my new design

FIG. 2 is a front view thereof

FIG. 3 is a rear view thereof

FIG. 4 is a left side view thereof, the right side view being a mirror image;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design.


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

Referenced Cited
U.S. Patent Documents
D521135 May 16, 2006 Kita
D564645 March 18, 2008 Shapiro
D583450 December 23, 2008 Choi
D586451 February 10, 2009 Murai
D594948 June 23, 2009 Lewis
D595825 July 7, 2009 Ohta et al.
D599456 September 1, 2009 Choi
D603497 November 3, 2009 Choi
D605272 December 1, 2009 Chun et al.
D607551 January 5, 2010 Catrino
D608433 January 19, 2010 Murai et al.
D608434 January 19, 2010 Niki
D613386 April 6, 2010 Niki et al.
D625398 October 12, 2010 Choi
D634828 March 22, 2011 Nakamura
Patent History
Patent number: D643520
Type: Grant
Filed: Feb 22, 2011
Date of Patent: Aug 16, 2011
Assignee: Woongjin Coway Co., Ltd. (Choongcheongnam-Do)
Inventor: Hun Jung Choi (Seoul)
Primary Examiner: David Muller
Attorney: McDermott Will & Emery LLP
Application Number: 29/385,884
Current U.S. Class: Air Cleaner (D23/364)