Filter

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment

Design Patent

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Details

CD32S031000

Design Patent

active

D0521137

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

REFERENCES:
patent: 4243397 (1981-01-01), Tokar et al.
patent: 4882055 (1989-11-01), Stamstad
patent: 4961847 (1990-10-01), Amr
patent: 5250179 (1993-10-01), Spearman
patent: 5267371 (1993-12-01), Soler et al.
patent: 5603740 (1997-02-01), Roy
patent: 5685887 (1997-11-01), Mochida
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patent: 5855634 (1999-01-01), Berfield
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patent: 6026540 (2000-02-01), Wright et al.
patent: D425270 (2000-05-01), Zahuranec
patent: 6070291 (2000-06-01), Bair et al.
patent: D441155 (2001-04-01), Thur et al.
patent: 6260234 (2001-07-01), Wright et al.
patent: D450826 (2001-11-01), Song
patent: 6340375 (2002-01-01), DePietro et al.
patent: 6341404 (2002-01-01), Salo et al.
patent: D453403 (2002-02-01), Stephens et al.
patent: 6375696 (2002-04-01), Wegelin et al.
patent: D494329 (2004-08-01), Thur et al.
patent: D495105 (2004-08-01), Baldinger et al.
patent: 6833023 (2004-12-01), Vandenberghe et al.
Three (3) sheets of photographs of Filter Assembly of General Electric Company, Circa 2003.
One (1) sheet of photographs of Filter Assembly of Bissell Homecare, Inc., Circa 2003.

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