Stand air purifier
United States Patent D550343

Chen, Yaogang (Xi'an, CN)
Application Number:
Publication Date:
Filing Date:
Xi'an Kong Hong Information Technology Co., Ltd. (Xi'an, CN)
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
D14/170, D23/362, D23/369, 96/97, D23/355, 55/473, 210/497.1, D23/366, D23/387, D14/172, D23/360, D23/332, D23/352, D14/188, D23/356, D23/336, D23/335, D23/359, 422/122, 55/504, 55/356, D23/381, D14/242, D23/333, D23/386, D23/364, 422/120, D23/342
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US Patent References:
D537157Air cleanerFebruary, 2007MuraiD23/364
D537512DehumidifierFebruary, 2007NakajimaD23/359
D529161Air purifierSeptember, 2006De'LonghiD23/364
D521135Air purifierMay, 2006KitaD23/364
20060015974DehumidifierJanuary, 2006IkeD23/359
D503972Air treatment systemApril, 2005Pippel et al.D23/355
D489800Air purifierMay, 2004TokunagaD23/364
D489801Air purifierMay, 2004ShimizuD23/364
D481786Air purifierNovember, 2003TokunagaD23/364
D472626Air purifierApril, 2003NakamuraD23/364
D462754Room air purifier deviceSeptember, 2002Briggs et al.D23/364
D437037Air purifierJanuary, 2001Deros et al.D23/364
D362499Thermoelectric power module for placement in the wall of a container for keeping the contents thereof cool or warmSeptember, 1995Kerner et al.D23/386

Primary Examiner:
Zarfas, Louis
Assistant Examiner:
Muller, David G.
Attorney, Agent or Firm:
Hamre, Schumann, Mueller & Lerson, P.C.

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


FIG. 1 is a perspective view of a stand air purifier in accordance with my invention thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a back 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.