Filter cartridge

- Donaldson Company, Inc.
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Description

FIG. 1 is a perspective view of a first embodiment of a filter cartridge made according to our new design; the fluted filter media shown in only a portion 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 an alternate perspective view of a first embodiment of the filter cartridge depicted in FIG. 1; the fluted filter media shown in only a portion of the upper face and being representative of the appearance of the fluted filter media in the entire upper face;

FIG. 3 is a front elevational view of the filter cartridge depicted in FIG. 2, the portions shown in broken lines forming no part of the design sought to be patented; the rear elevational view being a mirror image thereof;

FIG. 4 is a left end elevational view of the filter cartridge of FIG. 2, the portions shown in broken lines forming no part of the design sought to be patented; the right end elevational view being a mirror image thereof;

FIG. 5 is a top plan view of the filter cartridge depicted in FIG. 2; the fluted filter media shown in only a portion of the filter face and being representative of the appearance of the fluted filter media in the entire filter face;

FIG. 6 is a bottom plan view of the filter cartridge depicted in FIG. 2; the fluted filter media shown in only a portion of the filter face and being representative of the appearance of the fluted filter media in the entire filter face; the portions shown in broken lines forming no part of the design sought to be patented;

FIG. 7 is a perspective view of a second embodiment of a filter cartridge made according to our new design; the fluted filter media being shown in broken lines and forming no part of the design sought to be patented; the fluted filter media shown in broken lines being depicted in only a portion of the filter face, but being representative of the appearance of the entire filter face;

FIG. 8 is an alternate perspective view of the filter cartridge depicted in FIG. 7; the fluted filter media being shown in broken lines and forming no part of the design sought to be patented; the fluted filter media shown in broken lines being shown in only a portion of the filter face and being representative of the appearance of the fluted filter media in the entire filter face;

FIG. 9 is a front elevational view of the filter cartridge depicted in FIG. 8; the rear elevational view being a mirror image thereof;

FIG. 10 is a left end elevational view of the filter element depicted in FIG. 8, the right end elevational view being a mirror image thereof;

FIG. 11 is a top plan view of the filter cartridge depicted in FIG. 8; the fluted filter media being shown in broken lines and forming no part of the design sought to be patented; the fluted filter media shown in broken lines being shown in only a portion of the filter face and being representative of the appearance of the fluted filter media in the entire filter face;

FIG. 12 is a bottom plan view of the filter cartridge depicted in FIG. 8; the fluted filter media being shown in broken lines and forming no part of the design sought to be patented; the fluted filter media shown in broken lines being shown in only a portion of the filter face and being representative of the appearance of the fluted filter media in the entire filter face;

FIG. 13 is a perspective view of a third embodiment of a filter cartridge according to our new design; the portions shown in broken lines forming no part of the design sought to be patented; the fluted filter media being shown in broken lines and being shown in only a portion of the upper face and being representative of the appearance of the fluted filter media in the entire upper face;

FIG. 14 is an alternate perspective view of the filter cartridge in FIG. 13; the fluted filter media being shown in broken lines and forming no part of the design sought to be patented; the fluted filter media shown in broken lines being shown in only a portion of the filter faceand being representative of the appearance of the fluted filter media in the entire filter face;

FIG. 15 is a front elevational view of the filter cartridge depicted in FIG. 14; the portions shown in broken lines forming no part of the design sought to be patented; the rear elevational view being a mirror image thereof;

FIG. 16 is a left end elevational view of the filter cartridge depicted in FIG. 14; the portions shown in broken lines forming no part of the design sought to be patented; the right end elevational view being a mirror image thereof;

FIG. 17 is a top plan view of the filter cartridge depicted in FIG. 14; the fluted filter media being shown in broken lines and forming no part of the design sought to be patented; the fluted filter media shown in broken lines being shown in only a portion of the filter face and being representative of the appearance of the fluted filter media in the entire filter face; and,

FIG. 18 is a bottom plan view of the filter cartridge depicted in FIG. 14; the portions shown in broken lines forming no part of the design sought to be patented; the fluted filter media being shown in broken lines and being shown in only a portion of the filter face and being representative of the appearance of the fluted filter media in the entire filter face.

Claims

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

Referenced Cited
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Patent History
Patent number: D506539
Type: Grant
Filed: Mar 24, 2004
Date of Patent: Jun 21, 2005
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Inventors: Wayne R. W. Bishop (St. Louis Park, MN), Benny Kevin Nelson (Waconia, MN), David Wayne Nelson (Coon Rapids, MN)
Primary Examiner: Robin V. Taylor
Attorney: Merchant & Gould P.C.
Application Number: 29/202,063
Classifications
Current U.S. Class: Filter (D23/365)