Air purifier

Details Air purifier Air purifier

2011-03-22

2011-03-22

Nelson, T. Chase (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0634828

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

REFERENCES:
patent: D360028 (1995-07-01), Matsuda
patent: D448070 (2001-09-01), De' Longhi
patent: D448836 (2001-10-01), De' Longhi
patent: D453560 (2002-02-01), Van Brunt
patent: D538416 (2007-03-01), Ediger et al.
patent: D545952 (2007-07-01), Ching et al.
patent: D555776 (2007-11-01), Chiu
patent: D559372 (2008-01-01), Lam
patent: D561881 (2008-02-01), Huang
patent: D599896 (2009-09-01), Choi
patent: D605273 (2009-12-01), Mallet-Roulon
patent: D621493 (2010-08-01), Choi
patent: D625398 (2010-10-01), Choi

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