Patent
   D421649
Priority
Oct 29 1998
Filed
Oct 29 1998
Issued
Mar 14 2000
Expiry
Mar 14 2014
Assg.orig
Entity
unknown
18
4
n/a
The ornamental design for a filter element, as shown and described.

FIG. 1 is a top end view of a filter element embodying my new design;

FIG. 2 is a bottom end view of the filter element depicted in FIG. 1;

FIG. 3 is a front elevational view of the filter element depicted in FIG. 1;

FIG. 4 is a rear side elevational view of the filter element depicted in FIG. 1;

FIG. 5 is a left side elevational view of the filter element depicted in FIG. 1;

FIG. 6 is a right side elevational view of the filter element depicted in FIG. 1;

FIG. 7 is a top end view of a second embodiment of a filter element embodying my new design, the view being identical in appearance to FIG. 1;

FIG. 8 is a bottom end view of the filter element depicted in FIG. 7, the view being identical in appearance to FIG. 2;

FIG. 9 is a front elevational view of the filter element depicted in FIG. 7;

FIG. 10 is a rear side elevational view of the filter element depicted in FIG. 7;

FIG. 11 is a left side elevational view of the filter element depicted in FIG. 7; and,

FIG. 12 is a right side elevational view of the filter element depicted in FIG. 7.

The sole difference between the two embodiments resides in the sloped sides of the first embodiment.

Cappuyns, Jan Leo Maria

Patent Priority Assignee Title
6565636, Jul 13 2001 Exhaust cleaning device
7264656, Jun 30 2000 Donaldson Company, Inc. Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter
7641708, Jun 30 2000 Donaldson Company, Inc. Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter
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D609775, Feb 05 2008 W L GORE & ASSOCIATES, INC Cylindrical cage for a filter
D734436, Feb 21 2014 Donaldson Company, Inc.; Donaldson Company, Inc Circular filter end cap with alignment features
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D781409, Feb 21 2014 Donaldson Company, Inc.; Donaldson Company, Inc Ovate filter cartridge end cap
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D921835, Apr 24 2020 Access Business Group International LLC Pre-filter for water treatment system
D934989, Mar 13 2020 CUCONU, CATALIN Cylindrical water treatment device
D952130, Sep 30 2019 TrainingMask LLC Mask insert
D968561, Jan 04 2021 YE SIANG ENTERPRISE CO., LTD. Gas phase filter
Patent Priority Assignee Title
3469707,
4801383, Nov 19 1984 Memtec America Corporation Selective twist filtration roving
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 29 1998Donaldson Company, Inc.(assignment on the face of the patent)
Mar 26 1999CAPPUYNS, JAN LEO MARIADonaldson Company, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0098980130 pdf
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