Filter element having sealing system

- Donaldson Company, Inc.
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Description

FIG. 1 is a perspective view of a first embodiment of a filter element having sealing system; the fluted filter media shown in only one-quarter of the upper face being representative of the appearance of the fluted filter media in the entire upper face; the portions shown in broken lines forming no part of the design sought to be patented;

FIG. 2 is a top plan view of the embodiment depicted in FIG. 1, the portions shown in broken lines forming no part of the design sought to be patented;

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

FIG. 4 is a rear elevational view of the embodiment depicted in FIG. 1;

FIG. 5 is a right elevational view of the embodiment depicted in FIG. 1;

FIG. 6 is a left elevational view of the embodiment depicted in FIG. 1;

FIG. 7 is a bottom plan view of the embodiment depicted in FIG. 1;

FIG. 8 is a top plan view of a second embodiment of a filter element having sealing system, the portions shown in broken lines forming no part of the design sought to be patented; the front elevational view having the same appearance as that depicted in FIG. 3; the rear elevational view having the same appearance as that depicted in FIG. 4; the right elevational view having the same appearance as that depicted in FIG. 5; the left elevational view having the same appearance as that depicted in FIG. 6;

FIG. 9 is a bottom plan view of the embodiment depicted in FIG. 8;

FIG. 10 is a front elevational view of a third embodiment of a filter element having sealing system, the filter media being lined to indicate a blue color, the top plan view having the same appearance as FIG. 2, with the bottom plan view having the same appearance as FIG. 7 in one embodiment, while in another embodiment, the top plan view having the same appearance as FIG. 8, and the bottom plan view having the same appearance as FIG. 9;

FIG. 11 is the rear elevational view of the embodiment depicted in FIG. 10, the filter media being lined to indicate a blue color;

FIG. 12 is a right elevational view of the embodiment depicted in FIG. 10, the filter media being lined to indicate a blue color; and,

FIG. 13 is a left elevational view of the embodiment depicted in FIG. 10, the filter media being lined to indicate a blue color.

Claims

The ornamental design for a filter element having sealing system, as shown and described.

Referenced Cited
U.S. Patent Documents
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3676242 July 1972 Prentice
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3841953 October 1974 Lohkamp et al.
3849241 November 1974 Butin et al.
3878014 April 1975 Melead
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4402830 September 6, 1983 Pall
4449993 May 22, 1984 Bergeron
4720292 January 19, 1988 Engel et al.
5071456 December 10, 1991 Binder et al.
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5415677 May 16, 1995 Ager et al.
5435870 July 25, 1995 Takagaki et al.
5487767 January 30, 1996 Brown
5543007 August 6, 1996 Takagaki et al.
5547480 August 20, 1996 Coulonvaux
5613992 March 25, 1997 Engel
5714126 February 3, 1998 Frund
5730766 March 24, 1998 Clements
5820646 October 13, 1998 Gillingham et al.
5897676 April 27, 1999 Engel
D450827 November 20, 2001 Gieseke et al.
Other references
  • Declaration of Steven S. Gieseke with Exhibits A, B, and C (5 pages).
Patent History
Patent number: D461884
Type: Grant
Filed: Jan 29, 2002
Date of Patent: Aug 20, 2002
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Inventors: Steven Scott Gieseke (Richfield, MN), Carolyn J. Finnerty (Bloomington, MN)
Primary Examiner: Lisa Lichtenstein
Attorney, Agent or Law Firm: Merchant & Gould P.C.
Application Number: 29/154,801
Classifications
Current U.S. Class: Filter (D23/365)
International Classification: 2304;