Air purifier
United States Patent D639413

Wu, Fu-chi (Northridge, CA, US)
Application Number:
Publication Date:
Filing Date:
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
D23/364, D23/355, D23/356, D23/359, D23/360, D23/366, D23/369, D23/332, D23/333, D23/335, D23/342, D23/351, D23/370, 422/120, 422/122, 55/356, 55/473, 55/504, 96/97, 261/DIG.17, 261/DIG.65, 261/DIG.88, 261/DIG.31, D6/438, D6/432, D6/448, D6/445, D6/446, D6/433, 312/108, D14/188, D14/170, D14/172
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US Patent References:
D594947Body for a portable heaterJune, 2009LewisD23/332
D565159Air purifying humidifierMarch, 2008Shin et al.D23/356
7112232Air cleaning apparatusSeptember, 2006Chang et al.55/473
D529019Home theaterSeptember, 2006LimD14/172
D514684FanFebruary, 2006LeeD23/370
D500848Air cleanerJanuary, 2005Holderfield et al.D23/364
D426086Chest of drawersJune, 2000Lacroix et al.D6/445
D423814Storage lockerMay, 2000Belka et al.D6/432
D278957CabinetMay, 1985FlotottoD6/432
2584618Humidifier and evaporative coolerFebruary, 1952RobicD23/356
D152372N/AJanuary, 1949SchreiberD23/351
D118170N/ADecember, 1939ReineckeD23/342
D083092N/AJanuary, 1931Chadwick et al.D23/342

Primary Examiner:
Muller, David G.
Attorney, Agent or Firm:
Rosenberg, Klein & Lee

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


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

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational 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.