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Publication numberUSD528212 S1
Publication typeGrant
Application numberUS 29/226,193
Publication dateSep 12, 2006
Filing dateMar 23, 2005
Priority dateOct 7, 2003
Also published asUSD510169
Publication number226193, 29226193, US D528212 S1, US D528212S1, US-S1-D528212, USD528212 S1, USD528212S1
InventorsScott Conway, Rex O. Bare
Original AssigneeInogen, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Portable oxygen concentrator
US D528212 S1
Abstract  available in
Images(6)
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Claims(1)
  1. The ornamental design for a portable oxygen concentrator, as shown and described.
Description

FIG. 1 is a right perspective view of the portable oxygen concentrator of the present design;

FIG. 2 is a front view of the portable oxygen concentrator of the present design;

FIG. 3 is a rear view of the portable oxygen concentrator of the present design;

FIG. 4 is a right side view of the portable oxygen concentrator of the present design;

FIG. 5 is a left side view of the portable oxygen concentrator of the present design;

FIG. 6 is a top view of the portable oxygen concentrator of the present design; and,

FIG. 7 is a bottom view of the portable oxygen concentrator of the present design.

The broken lines showing additional features of the portable oxygen concentrator in FIGS. 1-7 are for illustrative purposes only and form no part of the claimed design.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7713219Nov 7, 2006May 11, 2010Electromed, Inc.Combined air pulsator and movable pedestal
US8468839 *Jan 23, 2008Jun 25, 2013Ric Investments, LlcPortable liquid oxygen storage unit
US20080178610 *Jan 23, 2008Jul 31, 2008Douglas WhitcherPortable Liquid Oxygen Storage Unit
Classifications
U.S. ClassificationD24/164