Filter hood

Description

FIG. 1 is a perspective view of a filter hood showing the first embodiment of my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image of that shown, except for the upper door;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of a filter hood showing the second embodiment of my new design;

FIG. 8 is a right side elevational view of FIG. 7, the left side being a mirror image of that shown except for the upper door;

FIG. 9 is a front elevational view of FIG. 7;

FIG. 10 is a rear elevational view of FIG. 7;

FIG. 11 is a top plan view of FIG. 7; and,

FIG. 12 is a bottom plan view of FIG. 7.

Referenced Cited
U.S. Patent Documents
3217629 November 1965 Efern
5154161 October 13, 1992 Rogers et al.
Patent History
Patent number: D349158
Type: Grant
Filed: Mar 19, 1992
Date of Patent: Jul 26, 1994
Assignee: Standex International Corporation (Salem, NH)
Inventor: Leonard R. Lieblein (Williamston, SC)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Law Firm: Dominik, Stein, Saccocio, Reese, Colitz & Van Der Wall
Application Number: 7/858,752
Classifications
Current U.S. Class: Exhaust Type (D23/371)