Safety filter element for engine air cleaner

Gieseke , et al. March 11, 2

Patent Grant D471623

U.S. patent number D471,623 [Application Number D/133,690] was granted by the patent office on 2003-03-11 for safety filter element for engine air cleaner. This patent grant is currently assigned to Donaldson Company, Inc.. Invention is credited to Steven Scott Gieseke, Peter J. Murray.


United States Patent D471,623
Gieseke ,   et al. March 11, 2003

Safety filter element for engine air cleaner

Claims

The ornamental design for safety filter element for engine air cleaner, as shown and described.
Inventors: Gieseke; Steven Scott (Richfield, MN), Murray; Peter J. (Bloomington, MN)
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Appl. No.: D/133,690
Filed: December 4, 2000

Current U.S. Class: D23/365
Current International Class: 2304
Field of Search: ;D23/365,209 ;55/385.3 ;60/311

References Cited [Referenced By]

U.S. Patent Documents
5137537 August 1992 Behrendt et al.
5277157 January 1994 Teich
5336405 August 1994 Tang et al.
5443721 August 1995 Kelada et al.
5762669 June 1998 Kahlbaugh et al.
D401306 November 1998 Ward et al.
D412567 August 1999 Ward et al.
D414544 September 1999 Ward et al.
D416308 November 1999 Ward et al.
Primary Examiner: Lichtenstein; Lisa
Attorney, Agent or Firm: Merchant & Gould P.C.

Description



FIG. 1 is a perspective view of a second embodiment of a safety filter element for engine air cleaner embodying our design; the portion shown in broken lines forming no part of the design sought to be patented;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof, the portion shown in broken lines forming no part of the design sought to be patented;

FIG. 4 is a front side elevational view thereof; the portion shown in broken lines forming no part of the design sought to be patented;

FIG. 5 is a back side elevational view thereof; the portion shown in broken lines forming no part of the design sought to be patented;

FIG. 6 is a right side elevational view thereof; the portion shown in broken lines forming no part of the design sought to be patented; and,

FIG. 7 is a left side elevational view thereof; the portion shown in broken lines being for illustrative purposes only and forming no part of the claimed design.

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