Base for an aquarium filter

The ornamental design for base for an aquarium filter, as shown and described.

FIG. 1 is a top plan view of a base for an aquarium filter showing my new design;

FIG. 2 is a front elevation view of the base;

FIG. 3 is a rear elevation view of the filter base; and,

FIG. 4 is a right side elevation view of the base, a left side elevation view being a mirror image of FIG. 4.

The bottom of the base embodies no design features and is not shown.

Patent	Priority	Assignee	Title
D565696,	Oct 05 2006	Central Garden and Pet Company	Aquarium filter cartridge element
D570952,	Oct 05 2006	Central Garden and Pet Company	Aquarium filter holster

Patent	Priority	Assignee	Title
5211580,	Sep 12 1991	Cooper Technologies Company	Universal backplate for electrical outlets
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238782,

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Dec 30 1997		Kencar, Inc.	(assignment on the face of the patent)

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