Air purifier

Details Air purifier Air purifier

2008-01-30

2008-10-14

Zarfas, Louis S (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0578632

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

REFERENCES:
patent: D282570 (1986-02-01), Nakamura
patent: D323883 (1992-02-01), Caporale
patent: D481786 (2003-11-01), Tokunaga
patent: D489801 (2004-05-01), Shimizu
patent: D503972 (2005-04-01), Pippel et al.
patent: D521135 (2006-05-01), Kita
patent: D544082 (2007-06-01), Fujii
patent: D548825 (2007-08-01), Suzuki et al.
patent: D549811 (2007-08-01), Chen
patent: D550343 (2007-09-01), Chen
patent: D550826 (2007-09-01), Murai
patent: D556309 (2007-11-01), Chiu
patent: D566819 (2008-04-01), Chiu

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