Fluted filter element

- Donaldson Company, Inc.
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Description

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

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;

FIG. 5 is a front side elevational view thereof;

FIG. 6 is a rear side elevation view thereof;

FIG. 7 is an enlarged view of a portion of the top plan view of FIG. 2, showing the centerpiece;

FIG. 8 is an enlarged view of a portion of the top plan view of FIG. 2, showing the shape of the flutes; and,

FIG. 9 is an enlarged view of a portion of the front side elevational view shown in FIG. 5.

Claims

The ornamental design for fluted filter element, as shown and described.

Referenced Cited
U.S. Patent Documents
5137696 August 11, 1992 Hitachi et al.
Patent History
Patent number: D473637
Type: Grant
Filed: Dec 3, 2001
Date of Patent: Apr 22, 2003
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Inventor: Patrick Golden (Roseville, MN)
Primary Examiner: Lisa Lichtenstein
Attorney, Agent or Law Firm: Merchant & Gould P.C.
Application Number: 29/151,518
Classifications
Current U.S. Class: Filter (D23/365)
International Classification: 2304;