Air filter with a protruding inner filtering portion

Details Air filter with a protruding inner filtering portion Air filter with a protruding inner filtering portion

2006-12-05

2006-12-05

Webster, Robin (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0533265

CLAIM:
The ornamental design for an air filter with a protruding inner filtering portion, as shown and described.

REFERENCES:
patent: D342990 (1994-01-01), Jaroszczyk
patent: 5522909 (1996-06-01), Haggard
patent: D381741 (1997-07-01), Johnson
patent: 5685887 (1997-11-01), Mochida
patent: 5814117 (1998-09-01), Mochida
patent: D401684 (1998-11-01), Shelton et al.
patent: 5972059 (1999-10-01), Morgan
patent: D449678 (2001-10-01), Ng-Gee-Quan
patent: 6833023 (2004-12-01), Vandenberghe et al.

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