Filter element having oval shape

- Donaldson Company, Inc.
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Description

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

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror-image thereof;

FIG. 3 is a right elevational view thereof, the left elevational view being a mirror-image thereof; and,

FIG. 4 is a top plan view thereof.

The bottom plan view is not depicted as it is plain and unornamented.

Claims

The ornamental design for filter element having oval shape, as shown and described.

Referenced Cited
U.S. Patent Documents
2072906 March 1937 Rosenberger
2952332 September 1960 Metro
3131044 April 1964 Springer
3327458 June 1967 Auckland
3421295 January 1969 Swift et al.
3475884 November 1969 Kulzer
3524304 August 1970 Wittemeier et al.
3830042 August 1974 MacDonnell
3891418 June 1975 Burger et al.
4072484 February 7, 1978 Carre
4187091 February 5, 1980 Durre et al.
4343632 August 10, 1982 Margraf
4345924 August 24, 1982 Margraf
4395269 July 26, 1983 Schuler
4415343 November 15, 1983 Margraf
4496377 January 29, 1985 Margraf
4504293 March 12, 1985 Gillingham et al.
D283621 April 29, 1986 Gauer et al.
4661131 April 28, 1987 Howeth
4746339 May 24, 1988 Millard
4968424 November 6, 1990 Plaisier
5062867 November 5, 1991 Klimczak
5074896 December 24, 1991 Baert et al.
5173098 December 22, 1992 Pipkorn
5238474 August 24, 1993 Kahlbaugh et al.
4395269 July 26, 1983 Schuler
5730766 March 24, 1998 Clements
D417268 November 30, 1999 Gillingham
D421649 March 14, 2000 Cappuyns
D438214 February 27, 2001 Gieseke et al.
6485544 November 26, 2002 Ziske
D471623 March 11, 2003 Gieseke et al.
Foreign Patent Documents
26 25 578 December 1977 DE
27 44 037 April 1979 DE
2 195 558 April 1988 GB
Patent History
Patent number: D499177
Type: Grant
Filed: Jul 31, 2002
Date of Patent: Nov 30, 2004
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Inventors: Kristofer G. Kosmider (Bloomington, MN), Steven A. Johnson (Ridgecrest, CA), Thomas D. Raether (St. Louis Park, MN)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Merchant & Gould P.C.
Application Number: 29/164,772
Classifications
Current U.S. Class: Filter (D23/365)
International Classification: 2304;