Water purification filter

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

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

FIG. 2 is a first end view of the water purification filter of FIG. 1.

FIG. 3 is a second end view of the water purification filter of FIG. 1; and,

FIG. 4 is a side view of the water purification filter of FIG. 1.

The claimed design is shown fragmented in FIGS. 1 and 4 to represent non-specified length.

Patent	Priority	Assignee	Title
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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Oct 17 2012	HAMMERBACK, JASON	MRLB INTERNATIONAL, INC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	029492	0933	pdf
Oct 23 2012		MRLB International, Inc.	(assignment on the face of the patent)
Feb 20 2015	MRLB INTERNATIONAL, INC	CROSSTEX INTERNATIONAL, INC	MERGER AND CHANGE OF NAME SEE DOCUMENT FOR DETAILS	042846	0161	pdf
Feb 20 2015	CROSSTEX INTERNATIONAL, INC	CROSSTEX INTERNATIONAL, INC	MERGER AND CHANGE OF NAME SEE DOCUMENT FOR DETAILS	042846	0161	pdf
Jun 28 2018	CROSSTEX INTERNATIONAL, INC	BANK OF AMERICA, N A , AS ADMINISTRATIVE AGENT	NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS	046452	0336	pdf
Jun 02 2021	BANK OF AMERICA, N A , AS ADMINISTRATIVE AGENT	CROSSTEX INTERNATIONAL, INC	TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS	056469	0449	pdf
May 31 2024	HU-FRIEDY MFG CO , LLC	ARES CAPITAL CORPORATION, AS COLLATERAL AGENT	PATENT SECURITY AGREEMENT	067594	0116	pdf
May 31 2024	CROSSTEX INTERNATIONAL, INC	ARES CAPITAL CORPORATION, AS COLLATERAL AGENT	PATENT SECURITY AGREEMENT	067594	0116	pdf
May 31 2024	SPS MEDICAL SUPPLY CORP	ARES CAPITAL CORPORATION, AS COLLATERAL AGENT	PATENT SECURITY AGREEMENT	067594	0116	pdf

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