Filter element having elliptical shape

- Donaldson Company, Inc.
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Description

FIG. 1 is a perspective view of a filter element according to our design, the length of the filter element not being claimed, and the portions shown in broken lines forming no part of the design sought to be patented;

FIG. 2 is a front side elevational view of the filter element depicted in FIG. 1, the rear side elevational view being a mirror image thereof, the length of the element not being claimed, and the portions shown in broken lines forming no part of the design sought to be patented;

FIG. 3 is a right side elevational view of the filter element depicted in FIG. 1, the left side elevational view being a mirror image thereof, the length of the element not being claimed, and the portions shown in broken lines forming no part of the design sought to be patented;

FIG. 4 is a top plan view of the filter element depicted in FIG. 1; and,

FIG. 5 is a bottom plan view of the filter element depicted in FIG. 1.

Claims

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

Referenced Cited
U.S. Patent Documents
2072906 March 1937 Rosenberger
2771153 November 1956 Hening
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.
D366516 January 23, 1996 Stewart
5562746 October 8, 1996 Raether
5730766 March 24, 1998 Clements
D414544 September 28, 1999 Ward et al.
D416308 November 9, 1999 Ward et al.
D417268 November 30, 1999 Gillingham
D421649 March 14, 2000 Cappuyns
D438214 February 27, 2001 Gieseke et al.
6387162 May 14, 2002 Kosmider et al.
6485544 November 26, 2002 Ziske
6488746 December 3, 2002 Kosmider et al.
D471623 March 11, 2003 Gieseke et al.
6572667 June 3, 2003 Greif et al.
D482767 November 25, 2003 Dudley
D492386 June 29, 2004 Kamata et al.
D499177 November 30, 2004 Kosmider et al.
Foreign Patent Documents
26 25 578 December 1977 DE
27 44 037 April 1979 DE
0 923 975 May 2003 EP
2 195 558 April 1988 GB
1196386 February 2004 JP
028630 June 2005 JP
98/43723 October 1998 WO
02/02206 January 2002 WO
Patent History
Patent number: D545396
Type: Grant
Filed: Nov 16, 2004
Date of Patent: Jun 26, 2007
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Inventors: Michael James Casey (Eden Prairie, MN), Brian Read (Eagan, MN)
Primary Examiner: Robin Webster
Attorney: Merchant & Gould P.C.
Application Number: 29/217,462
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209); Filter (D23/365)