Filter

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

FIG. 1 is a perspective view of a filter showing my new design;

FIG. 2 is side elevational view thereof, the opposite side being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a rear elevational view thereof.

Patent	Priority	Assignee	Title
7276169,	Apr 05 2004	ASKOLL HOLDING S R L	Method for filtering water in an aquarium, a water cultivation tank and similar water bonds, and corresponding filtering system
D496984,	Apr 18 2003	ZODIAC POOL SYSTEMS, INC	Water purifier
D502757,	Oct 16 2003	Access Business Group International LLC	Water treatment system
D503770,	Apr 25 2003	ZODIAC POOL SYSTEMS, INC	Water purifier
D547824,	May 31 2005	SA EXEL INDUSTRIES	Pond filter
D644713,	Jan 21 2010	THE SOURCE RCO PARTS , INC	Filter
D682985,	Aug 10 2011	IP RESERVE PTY LTD	Filter system
D731049,	Mar 05 2013	Covidien LP	EVQ housing of an exhalation module

Patent	Priority	Assignee	Title
5474674,	Apr 07 1993	Hydor S.R.L.	External filtration device particularly for aquariums and ornamental water tanks
6187179,	Mar 31 1998	Eheim GmbH & Co. KG	Outside filter, in particular for aquarium
D428109,	Feb 25 1999	Eheim GmbH & Co. KG	Aquarium filter
D428469,	Oct 09 1998	Aplister, S.A.	Filter for swimming pools

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Sep 10 2002	GOODWIN, DAVID MALCOLM	Pet Mate Limited	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	013335	0064	pdf
Sep 27 2002		Pet Mate Limited	(assignment on the face of the patent)

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