Air purifier

Details Air purifier Air purifier

2009-08-05

2010-06-08

Nelson, T. Chase (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0617436

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

REFERENCES:
patent: D361828 (1995-08-01), Chen
patent: D518160 (2006-03-01), Normark
patent: D532880 (2006-11-01), Ching
patent: D534999 (2007-01-01), Hussaini et al.
patent: D548315 (2007-08-01), Lin
patent: D565159 (2008-03-01), Shin et al.
patent: D570464 (2008-06-01), Normark
patent: D577796 (2008-09-01), Gao
patent: D578189 (2008-10-01), Gao
patent: D597187 (2009-07-01), Campbell
patent: D600336 (2009-09-01), Lin
patent: D601687 (2009-10-01), Chan
patent: D606642 (2009-12-01), Weggelaar

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