Air cleaner

Details Air cleaner Air cleaner

2007-08-07

2007-08-07

Zarfas, Louis (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

29267317

CLAIM:
The ornamental design for an air cleaner, as shown.

REFERENCES:
patent: D255486 (1980-06-01), Bender
patent: D312302 (1990-11-01), Fan
patent: D313842 (1991-01-01), Fan
patent: D316140 (1991-04-01), Lee
patent: D316446 (1991-04-01), Lee
patent: D319498 (1991-08-01), Huang
patent: D340971 (1993-11-01), Pirro
patent: D348724 (1994-07-01), Lee
patent: D354803 (1995-01-01), Huang
patent: D361828 (1995-08-01), Chen
patent: D402741 (1998-12-01), Chen
patent: D456066 (2002-04-01), Ching
patent: D518160 (2006-03-01), Normark

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