Air purifier
United States Patent D565162

Carlson, Casey L. (Edina, MN, US)
Application Number:
Publication Date:
Filing Date:
3M Innovative Properties Company (St. Paul, MN, US)
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
D14/170, D23/356, D23/369, D23/335, D23/324, 96/97, 55/473, D23/355, D23/359, 422/122, 55/504, D23/366, 55/356, D23/333, D14/172, D23/360, D23/364, D23/332, D14/188, 422/120, D23/341, D23/342
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US Patent References:
D534999Portable heater and refrigeratorJanuary, 2007Hussaini et al.D23/335
D529161Air purifierSeptember, 2006De'LonghiD23/364
D500848Air cleanerJanuary, 2005Holderfield et al.D23/364
D462754Room air purifier deviceSeptember, 2002Briggs et al.D23/364
D456070Air cleanerApril, 2002GarmanD23/364
D442270Air purifierMay, 2001Campbell et al.D23/364
D440292Air cleanerApril, 2001KipD23/364
D437037Air purifierJanuary, 2001Deros et al.D23/364
D431074Air purifierSeptember, 2000DerosD23/364
D429323Heater housingAugust, 2000Rossman et al.D23/341
D420732Air purifierFebruary, 2000GudefinD23/364
D402745Air purifierDecember, 1998Termeer et al.D23/364
D353662Heater fanDecember, 1994Patton et al.D23/335

Primary Examiner:
Zarfas, Louis
Assistant Examiner:
Muller, David G.
Attorney, Agent or Firm:
Patchett, David B.

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


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

FIG. 2 is a side view thereof, the opposite side view being a mirror image of the side view shown;

FIG. 3 is a front view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom view thereof.