Filter casing

The ornamental design for a filter casing, as shown.

FIG. 1 is a bottom and front perspective view of my design for a filter casing showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a rear elevational view;

FIG. 4 is a right side elevation view thereof; and

FIG. 5 is a bottom plan view.

Patent	Priority	Assignee	Title
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D638099,	Aug 06 2010		Filter for showerhead
D638514,	Aug 31 2010		Filtered showerhead diverter
D638515,	Aug 31 2010		Filtered showerhead diverter
D666010,	Aug 24 2011		Mirror attachment for shower head slide bar
D667925,	Dec 06 2011	FARLEY, DAVID A ; FARLEY, DAVID A , JR	In-line shower filter
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D974536,	Jun 08 2020		Short-pipe p-trap

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Aug 26 1977		Ultrafilter GmbH	(assignment on the face of the patent)

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