Air purifier
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Description
The features shown in broken lines depict environmental subject matter only and form no part of the claimed design.
Claims
The ornamental design for a air purifier, as shown and described.
Referenced Cited
U.S. Patent Documents
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D578632 | October 14, 2008 | Chen |
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D667096 | September 11, 2012 | Choi et al. |
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D675306 | January 29, 2013 | Bartolucci et al. |
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D683007 | May 21, 2013 | Spiegel |
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Patent History
Patent number: D731633
Type: Grant
Filed: Mar 13, 2014
Date of Patent: Jun 9, 2015
Assignee: Guardian Technologies LLC (Euclid, OH)
Inventors: Richard C. Farone (Willoughby, OH), Cynthia Caffoe (Aurora, OH)
Primary Examiner: David Muller
Application Number: 29/484,883
Type: Grant
Filed: Mar 13, 2014
Date of Patent: Jun 9, 2015
Assignee: Guardian Technologies LLC (Euclid, OH)
Inventors: Richard C. Farone (Willoughby, OH), Cynthia Caffoe (Aurora, OH)
Primary Examiner: David Muller
Application Number: 29/484,883
Classifications
Current U.S. Class:
Air Cleaner (D23/364)