Filter element frame member

- Donaldson Company
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Description

FIG. 1 is a perspective view of a filter element frame member;

FIG. 2 is a right side elevational view of FIG. 1, the left side elevational view being a mirror image thereof and having an identical appearance;

FIG. 3 is a front side elevational view of FIG. 1, the back side elevational view being a mirror image thereof and having an identical appearance;

FIG. 4 is a bottom plan view of FIG. 1; and,

FIG. 5 is a top plan view of FIG. 1.

Referenced Cited
U.S. Patent Documents
3168917 February 1965 Bartels
3292349 December 1966 Cuta
3712033 January 1973 Gronholz
3778985 December 1973 Daigle et al.
3789589 February 1974 Delaney et al.
4086071 April 25, 1978 Champlin
4512891 April 23, 1985 Wright et al.
4617122 October 14, 1986 Kruse et al.
4701196 October 20, 1987 Delany
4819549 April 11, 1989 Gillingham et al.
4883513 November 28, 1989 Monson et al.
4946484 August 7, 1990 Monson et al.
4963171 October 16, 1990 Osendorf
5098767 March 24, 1992 Linnersten
5183488 February 2, 1993 Deering
5273563 December 28, 1993 Pasch et al.
5273564 December 28, 1993 Hill
5290345 March 1, 1994 Osendorf et al.
5322117 June 21, 1994 Guetersloh et al.
Foreign Patent Documents
1164413 June 1989 JPX
4131116 May 1992 JPX
Patent History
Patent number: D405519
Type: Grant
Filed: Oct 25, 1996
Date of Patent: Feb 9, 1999
Assignees: Donaldson Company (Minneapolis, MN), Honeywell, Inc. (Minneapolis, MN)
Inventors: Richard J. Osendorf (West St. Paul, MN), Brad Alan Terlson (Maple Grove, MN), Wallace Ronald Saldin (Bloomington, MN), Eugene Joseph Takach, Jr. (Eden Prairie, MN)
Primary Examiner: Lisa Lichtenstein
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt, P. A.
Application Number: 0/61,578
Classifications
Current U.S. Class: Filter (D23/365); Element Or Attachment, Not Elsewhere Specified (D23/386)
International Classification: 2304;