Patent
   D982162
Priority
Aug 22 2022
Filed
Aug 22 2022
Issued
Mar 28 2023
Expiry
Mar 28 2038
Assg.orig
Entity
unknown
2
17
n/a
The ornamental design for a portable oxygen concentrator, as shown and described.

FIG. 1 is a perspective view of the portable oxygen concentrator showing my new design;

FIG. 2 is a perspective view thereof from another angle;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

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

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings represent portions of the portable oxygen concentrator that form no part of the claimed design.

Jiang, Song

Patent Priority Assignee Title
ER1210,
ER8443,
Patent Priority Assignee Title
4502873, Jul 27 1982 PROTO-MED, INC Method and apparatus for concentrating oxygen
4826510, Jan 13 1988 The John Bunn Company Portable low profile DC oxygen concentrator
D471982, May 03 2002 Oxygen concentrator
D490155, Dec 09 2002 Matsushita Electric Industrial Co., Ltd.; MATSUSHITA ELECTRIC INDUSTRIAL CO , LTD Oxygen concentrator
D513074, Mar 08 2004 MATSUSHITA ELECTRIC INDUSTRIAL CO , LTD Oxygen concentrator
D528212, Oct 07 2003 INOGEN, INC Portable oxygen concentrator
D550360, Sep 02 2005 CAIRE INC Portable oxygen concentrator
D606655, Jun 27 2008 INOVA LABS, INC Portable oxygen concentrator
D607107, Nov 13 2007 CAIRE INC Portable oxygen concentrator
D642273, Oct 08 2009 CAIRE INC Mini-portable oxygen concentrator
D693005, Sep 27 2012 Teijin Limited Oxygen concentrating apparatus
D700701, Mar 08 2013 INOGEN, INC Oxygen concentrator
D835290, Jul 21 2017 Medical oxygen concentrator
D854161, May 15 2018 NITERRA CO , LTD Medical oxygen concentrator
D860459, May 24 2017 INOGEN, INC Oxygen concentrator
D861874, May 15 2018 NITERRA CO , LTD Medical oxygen concentrator
D930835, Apr 01 2019 INOGEN, INC Oxygen concentrator
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