Filter

- Caterpillar Inc.
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Description

FIG. 1 is a perspective view of a filter showing our new design;

FIG. 2 is a front view of the filter of FIG. 1;

FIG. 3 is a rear view of the filter of FIG. 1;

FIG. 4 is a left side view of the filter of FIG. 1;

FIG. 5 is a right side view of the filter of FIG. 1;

FIG. 6 is a top view of the filter of FIG. 1; and,

FIG. 7 is a bottom view of the filter of FIG. 1.

The broken lines depicted in the foregoing figures are for purposes of illustration only, and form no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
5779903 July 14, 1998 Smith et al.
D412551 August 3, 1999 Smith et al.
D414544 September 28, 1999 Ward et al.
6096207 August 1, 2000 Hoffman et al.
D527439 August 29, 2006 Liu et al.
D548307 August 7, 2007 Reynolds et al.
7744757 June 29, 2010 Liao
7771595 August 10, 2010 Reynolds et al.
Patent History
Patent number: D646751
Type: Grant
Filed: May 19, 2011
Date of Patent: Oct 11, 2011
Assignees: Caterpillar Inc. (Peoria, IL), Advanced Filtration Systems Inc. (Champaign, IL), Donaldson Company Inc. (Bloomington, MN)
Inventors: Christopher J. Salvador (Peoria, IL), Randall W. Heibenthal (Mahomet, IL), Dennis M. Deedrich (Champaign, IL), David B. Harder (Burnsville, MN), John R. Hacker (Minneapolis, MN), Richard J. Eisenmenger (Philo, IL)
Primary Examiner: Robin V Webster
Attorney: Miller, Matthias & Hull
Application Number: 29/392,313
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)