Portable water purifier

The ornamental design for a portable water purifier, as shown.

FIG. 1 is a perspective view of a portable water purifier, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an end-elevational view thereof; and

FIG. 4 is a side-elevational view thereof.

Patent	Priority	Assignee	Title
8726945,	Sep 06 2007	CINTAS CORPORATE SERVICES, INC	Chemical dispensing reservoir apparatus and methods
9828273,	Feb 23 2016		Multi-stage portable water purifier
9873627,	May 17 2017		Multi-stage portable water purifier with cleanable and replaceable insert cartridges
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D295656,	Sep 13 1985	Elga Ltd.	Water purifier
D303703,	Dec 03 1987	Cuno Incorporated	Water purifier cabinet or similar article
D311767,	Nov 21 1988		Enclosure for a drinking water system
D314225,	Feb 25 1988	Pure Water, Inc.	Water distillation unit
D316741,	Jan 19 1990	STA-RITE INDUSTRIES, INC	Water filter
D318315,	Oct 11 1988	WATERLINK, INC	Portable ultra-filter for industrial waste fluids
D321552,	Jan 26 1990		Housing for an aquarium filtration system
D323203,	Mar 26 1990		Water filter
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D604799,	Sep 06 2007	CINTAS CORPORATE SERVICES, INC	Refillable chemical reservoir
D711500,	Jul 31 2012		Filter for a machine for preparing drinks
D791271,	Feb 23 2016		Water purifier

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