Air purifier

Details Air purifier Air purifier

2007-10-23

2007-10-23

Zarfas, Louis (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

29247885

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

REFERENCES:
patent: D263334 (1982-03-01), Schimanski
patent: D381740 (1997-07-01), Wood et al.
patent: D395490 (1998-06-01), Jane' et al.
patent: D405171 (1999-02-01), Jane et al.
patent: D424671 (2000-05-01), Ciccone et al.
patent: D440957 (2001-04-01), Grinkus
patent: D451182 (2001-11-01), Tsuji
patent: D481786 (2003-11-01), Tokunaga
patent: D498742 (2004-11-01), Green
patent: D502462 (2005-03-01), Silverstein
patent: D507825 (2005-07-01), Blateri
patent: D509292 (2005-09-01), Gatchell et al.
patent: D518160 (2006-03-01), Normark

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