Air purifier
United States Patent D506249

Christianson, Tristan M. (San Francisco, CA, US)
Application Number:
Publication Date:
Filing Date:
Sharper Image Corporation (San Francisco, CA, US)
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
55/472, D23/356, D23/378, 55/467, D23/365, D23/355, D23/364, 55/471, D23/359
View Patent Images:
US Patent References:
D497985Air purifierNovember, 2004ChristiansonD23/364
D495042Air purifier productAugust, 2004ZhixiangD23/364
D479874Tower fanSeptember, 2003ShapiroD23/378
D468414Warmer electric fanJanuary, 2003FokD23/328
D461002Floor model air cleanerJuly, 2002ChristiansonD23/364
D437039Air cleanerJanuary, 2001Yamazaki et al.D23/364
D433494Air purifierNovember, 2000Pinchuk et al.D23/364

Primary Examiner:
Taylor, Robin V.
Attorney, Agent or Firm:
Andrew J. Parker (Senior Vice President Sharper Image Corporation 650 Davis Street San Francisco CA 94111)
1. The ornamental design for an air purifier, as shown and described.


FIG. 1 is a front perspective view of an air purifier, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a left side view thereof.

A right side view is a mirror image of the left side view shown in FIG. 6.

The bottom view is flat and non-ornamental, and thus not shown. It forms no part of the claimed design.

The switch on the top, the base and grills on the sides in broken lines are for illustrative purposes only and form no part of the claimed design.