Air purifier
United States Patent D837354

Su, Jun (Beijing, CN)
Wang, Yi (Beijing, CN)
Yu, Zhuoli (Beijing, CN)
Application Number:
Publication Date:
Filing Date:
Beijing Xiaomi Mobile Software Co., Ltd. (Haidian District, Beijing, CN)
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
D23/355-366, D23/352, D23/369, D23/332, D23/333, D23/335, D23/336, D23/342, D23/351, 422/120, 422/122, 55/356, 55/473, 55/504, 96/97, 261/DIG.17, 261/DIG.65, 261/DIG.88, 261/DIG.31
View Patent Images:
US Patent References:
9776144Top-filling humidifier2017-10-03Lu
D799016Air purifier2017-10-03SuD23/364
D798430Air filter2017-09-26NordD23/364
D791290Body for a portable heater2017-07-04ShapiroD23/332
D791297Air purifier2017-07-04LjungstromD23/364
D761947Air freshener2016-07-19ParaticoD23/366
D755942Air purifier2016-05-10KimD23/364
D741465Air purifier2015-10-20SatouD23/364
20150231542AIR PURIFIER DEVICE WITH COUPLING MECHANISM2015-08-20Wennerstrom96/55
D728089Air deodorizing apparatus2015-04-28Crisa'D23/366
D719976Portable audio device2014-12-23BangD14/203.1
D715913Air fragrance canister2014-10-21SchoutenD23/366
D705410Air purifier2014-05-20TeraoD23/364
D691255Dispenser housing2013-10-08AbbondanzioD23/366
D673252Dispenser housing2012-12-25AbbondanzioD23/366
D664247Air purifier2012-07-24PatersonD23/364
D664248Vertically-oriented air purifying and humidifying apparatus2012-07-24HuangD23/364
D639413Air purifier2011-06-07WuD23/364
D638923Air sterilizer2011-05-31ChoiD23/364
D565159Air purifying humidifier2008-03-25ShinD23/356
D534260Air conditioner2006-12-26DavidD23/351
D515193Perfume container2006-02-14ChenD23/366
D397196HumidifierAugust, 1998TsujiD23/356
D219450N/ADecember, 1970OrtegaD23/351

Other References:
Qoo10 website, new Xiaomi Mi Air Purifier 2S sterilizer addition to Formaldehyde cleaning, Nov. 15, 2017 (Year: 2017).
Primary Examiner:
Muller, David G.
Assistant Examiner:
Johnston, Nathan M.
Attorney, Agent or Firm:
Calfee, Halter & Griswold, LLP

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


FIG. 1 is a front view of the air purifier showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines show portions of the design that form no part of the claimed design.