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Publication numberUSD289429 S
Publication typeGrant
Application numberUS 06/620,889
Publication dateApr 21, 1987
Filing dateJun 15, 1984
Publication number06620889, 620889, US D289429 S, US D289429S, US-S-D289429, USD289429 S, USD289429S
InventorsHarold C. Thumberger
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Portable filtration unit
US D289429 S
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  1. The ornamental design for a portable filtration unit, as shown and described.

FIG. 1 is a front elevational view of a portable filtration unit showing my new design.

FIG. 2 is a side elevational view of the right side thereof as viewed in FIG. 1.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a left side elevational view thereof as viewed in FIG. 1.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a top plan view thereof.

The showing of the tubular elements broken away is to indicate indeterminate length.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7922008 *Jul 10, 2009Apr 12, 2011The Procter & Gamble CompanyWater filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
U.S. ClassificationD23/209