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Publication numberUSD471982 S1
Publication typeGrant
Application numberUS 29/160,129
Publication dateMar 18, 2003
Filing dateMay 3, 2002
Priority dateMay 3, 2002
Publication number160129, 29160129, US D471982 S1, US D471982S1, US-S1-D471982, USD471982 S1, USD471982S1
InventorsMing-Chuan Cheng
Original AssigneeMing-Chuan Cheng
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Oxygen concentrator
US D471982 S1
Abstract  available in
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  1. The ornamental design for an oxygen concentrator, as shown and described.

FIG. 1 is a front-right-top perspective view of an oxygen concentrator, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view showing an embodiment of the claimed design, wherein the broken lines are shown for illustrative purposes only and form no part of the claimed design.

U.S. ClassificationD24/164