Patent
   D309487
Priority
Nov 04 1988
Filed
Nov 04 1988
Issued
Jul 24 1990
Expiry
Jul 24 2004
Assg.orig
Entity
unknown
10
3
n/a
The ornamental design for a portable water filter, as shown and described.

FIG. 1 is a bottom front perspective view of the portable water filter showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Lieberman, James L.

Patent Priority Assignee Title
7441664, May 23 2003 Helen of Troy Limited Water treatment devices and cartridges therefor
7615152, Aug 23 2001 Helen of Troy Limited Water filter device
7740765, Aug 23 2001 Helen of Troy Limited Methods for treating water
7740766, Aug 23 2001 Helen of Troy Limited Methods for treating water
7749394, Aug 23 2001 Helen of Troy Limited Methods of treating water
7850859, Aug 23 2001 Helen of Troy Limited Water treating methods
7922008, Aug 23 2001 Helen of Troy Limited Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
8119012, Aug 23 2001 Helen of Troy Limited Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
D501912, Aug 19 2003 Procter & Gamble Company, The Water filter device
D794161, Jul 31 2015 ECOLOGY SCIENCE CO , LTD Floating matter remover
Patent Priority Assignee Title
2436077,
2566371,
4477347, Jun 21 1983 Portable water purifier
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