Fan filter housing apparatus

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Description

FIG. 1 is a front plan view of the fan filter housing apparatus of the present invention;

FIG. 2 is a rear plan view of the fan filter housing apparatus of FIG. 1;

FIG. 3 is a right side plan view of the fan filter housing apparatus of FIG. 1;

FIG. 4 is a left side plan view of the fan filter housing apparatus of FIG. 1;

FIG. 5 is a top plan view of the fan filter housing apparatus of FIG. 1;

FIG. 6 is a bottom plan view of the fan filter housing apparatus of FIG. 1; and,

FIG. 7 is a top, front, right side perspective view of the fan filter housing apparatus of FIG. 1.

Referenced Cited
U.S. Patent Documents
428739 May 1890 Abrahamson
1952989 March 1934 Joseph
3793813 February 1974 McAllister
4521234 June 4, 1985 Poebles, Jr. et al.
Patent History
Patent number: D408512
Type: Grant
Filed: Sep 6, 1996
Date of Patent: Apr 20, 1999
Inventor: Gary Hurst (Thurmont, MD)
Primary Examiner: Lisa Lichtenstein
Application Number: 0/59,256
Classifications
Current U.S. Class: Filter (D23/365); Element Or Attachment, Not Elsewhere Specified (D23/386)
International Classification: 2304;