Air purifier

Details Air purifier Air purifier

2007-11-26

2008-09-30

Zarfas, Louis S (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0577802

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

REFERENCES:
patent: D487139 (2004-02-01), Shapiro
patent: D507339 (2005-07-01), Shapiro
patent: D507340 (2005-07-01), Shapiro
patent: D510618 (2005-10-01), Dooley
patent: D510619 (2005-10-01), Gao
patent: D510989 (2005-10-01), Dooley
patent: D540453 (2007-04-01), Wang
patent: D542901 (2007-05-01), Christianson
patent: D548824 (2007-08-01), Christianson
patent: D553718 (2007-10-01), Shapiro
patent: D562952 (2008-02-01), Lewis
patent: D562953 (2008-02-01), Lewis
patent: D565161 (2008-03-01), Harris, Jr.

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