Filter element

- Donaldson Company, Inc.
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Description

FIG. 1 is a top end view of a filter element embodying my new design;

FIG. 2 is a bottom end view of the filter element depicted in FIG. 1;

FIG. 3 is a front elevational view of the filter element depicted in FIG. 1;

FIG. 4 is a rear side elevational view of the filter element depicted in FIG. 1;

FIG. 5 is a left side elevational view of the filter element depicted in FIG. 1;

FIG. 6 is a right side elevational view of the filter element depicted in FIG. 1;

FIG. 7 is a top end view of a second embodiment of a filter element embodying my new design, the view being identical in appearance to FIG. 1;

FIG. 8 is a bottom end view of the filter element depicted in FIG. 7, the view being identical in appearance to FIG. 2;

FIG. 9 is a front elevational view of the filter element depicted in FIG. 7;

FIG. 10 is a rear side elevational view of the filter element depicted in FIG. 7;

FIG. 11 is a left side elevational view of the filter element depicted in FIG. 7; and,

FIG. 12 is a right side elevational view of the filter element depicted in FIG. 7.

The sole difference between the two embodiments resides in the sloped sides of the first embodiment.

Referenced Cited
U.S. Patent Documents
D401306 November 17, 1998 Ward et al.
3469707 September 1969 Humbert, Jr. et al.
4801383 January 31, 1989 Hoffmann et al.
5443721 August 22, 1995 Kelada et al.
Patent History
Patent number: D421649
Type: Grant
Filed: Oct 29, 1998
Date of Patent: Mar 14, 2000
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Inventor: Jan Leo Maria Cappuyns (Nossegem)
Primary Examiner: Lisa Lichtenstein
Law Firm: Merchant & Gould P.C.
Application Number: 0/95,764
Classifications
Current U.S. Class: Filter (D23/365)
International Classification: 2304;