Air purifier

Details Air purifier Air purifier

2010-09-02

2011-11-15

Muller, David (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0648841

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

REFERENCES:
patent: D288003 (1987-01-01), Hoyt
patent: D300847 (1989-04-01), Lin
patent: D360028 (1995-07-01), Matsuda
patent: D372523 (1996-08-01), Radtke, Jr.
patent: D402741 (1998-12-01), Chen
patent: D548315 (2007-08-01), Lin
patent: D553720 (2007-10-01), Kato
patent: D559372 (2008-01-01), Lam
patent: 7326883 (2008-02-01), Bertani
patent: D580030 (2008-11-01), Shapiro
patent: D592740 (2009-05-01), Catrino
patent: D616080 (2010-05-01), Ching
patent: D616082 (2010-05-01), Tsuji

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