Stepped filter housing

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Description

FIG. 1 is a perspective view of the stepped filter housing, the material shown in dotted lines not being a part of my design;

FIG. 2 is a side view thereof, the material shown in dotted lines not being a part of my design;

FIG. 3 is a top view thereof; and,

FIG. 4 is a plan view thereof, the material shown in dotted lines not being a part of my design.

Claims

We claim the ornamental design for a stepped filter housing, as shown and described.

Referenced Cited
U.S. Patent Documents
4855041 August 8, 1989 Church et al.
5922196 July 13, 1999 Baumann
6120685 September 19, 2000 Carlson et al.
6488848 December 3, 2002 Smith
6835305 December 28, 2004 Baumann et al.
Patent History
Patent number: D538883
Type: Grant
Filed: Jun 24, 2005
Date of Patent: Mar 20, 2007
Assignee: Champion Laboratories, Inc. (Albion, IL)
Inventors: William R. Watson (Mt. Carmel, IL), John W. Stockhowe (Carmi, IL)
Primary Examiner: Robin Webster
Attorney: Olson & Hierl, Ltd.
Application Number: 29/232,887
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)