Filter element having circular sleeve

Description

FIG. 1 is a perspective view of a filter element having circular sleeve thereon;

FIG. 2 is a top plan view of FIG. 1, the bottom view being a mirror image;

FIG. 3 is a front side view of FIG. 1;

FIG. 4 is a back side view of FIG. 1;

FIG. 5 is a perspective view of a second embodiment of a filter element having circular sleeve thereon; different surfaces of the filter sleeve being indicated to contrast in appearance;

FIG. 6 is a top plan view of FIG. 5, the bottom plan view being a mirror image thereof; in FIG. 6 an outer surface of the filter sleeve being indicated to contrast in appearance with an inner surface of the filter sleeve;

FIG. 7 is a front side view of FIG. 5;

FIG. 8 is a back side view of FIG. 5;

FIG. 9 is a perspective view of a third embodiment of a filter element having a circular sleeve thereon, an outer surface of the sleeve being lined to indicate blue color;

FIG. 10 is a top plan view of FIG. 9 the bottom plan view being a mirror image thereof;

FIG. 11 is a front side view of FIG. 9; and,

FIG. 12 is a back side view of FIG. 9.

The broken lines in FIGS. 1-12 represent stitching.

Claims

The ornamental design for filter element having circular sleeve, as shown and described.

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Inventors:	Nepsund; Larry R. (Savage, MN), Abrahamson; Kathleen A. (Prior Lake, MN), Boeckermann; Thomas A. (Lakeville, MN), Elfstrand; James K. (Mounds View, MN)
Assignee:	Donaldson Company, Inc. (Minneapolis, MN)
Appl. No.:	D/056,934
Filed:	July 11, 1996

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Current U.S. Class:	D23/365
Current International Class:	2304
Field of Search:	;D23/365 ;D2/865,894 ;2/171,181,DIG.11 ;55/498

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References Cited [Referenced By]

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Primary Examiner: Lichtenstein; Lisa
Attorney, Agent or Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt, P.A.