Filter Apparatus

Description

FIG. 1 is a perspective view of a first embodiment of a filter apparatus, according to the present invention;

FIG. 2 is a side elevational view of the filter apparatus of FIG. 1; the opposite side elevational view being identical thereto;

FIG. 3 is a bottom plan view of the filter apparatus of FIG. 1;

FIG. 4 is a top plan view of the filter apparatus of FIG. 1;

FIG. 5 is an end elevational view of the filter apparatus of FIG. 1; the opposite end elevational view being identical thereto;

FIG. 6 is a perspective view of a second embodiment of a filter apparatus, according to the present invention;

FIG. 7 is an end elevational view of the filter apparatus of FIG. 6; the opposite end elevational view being identical thereto; and,

FIG. 8 is a bottom plan view of the filter apparatus of FIG. 6.

The top plan view is identical in appearance to the filter apparatus of FIG. 4.

The side elevational view is identical in appearance to the filter apparatus of FIG. 2.

The sole difference between the two embodiments resides in the appearance of a notch at the top and in the second embodiment. The broken line showing of environmental structure is for illustrative purposes only and forms no part of the claimed design.

Claims

The ornamental design for filter apparatus, as shown and described.

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Inventors:	Gillingham; Gary (Prior Lake, MN), Engelland; Randy (Farmington, MN)
Assignee:	Donaldson Company, Inc. (Minneapolis, MN)
Appl. No.:	D/114,795
Filed:	December 1, 1999

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Current U.S. Class:	D23/365
Current International Class:	2304
Field of Search:	;55/495 ;D23/365

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References Cited [Referenced By]

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U.S. Patent Documents

4364751	December 1982	Copley
5512074	April 1996	Hanni et al.
5683479	November 1997	Gillingham et al.
6113674	September 2000	Graham et al.

Primary Examiner: Lichtenstein; Lisa
Attorney, Agent or Firm: Merchant & Gould P.C.