Patent
   D490155
Priority
Dec 09 2002
Filed
Jun 04 2003
Issued
May 18 2004
Expiry
May 18 2018
Assg.orig
Entity
unknown
20
7
n/a
The ornamental design for an oxygen concentrator, as shown and described.

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

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a side view thereof, opposite that shown in FIG. 3;

FIG. 5 is a top thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a rear view thereof.

Nakamura, Minoru

Patent Priority Assignee Title
D510438, Jan 13 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
D569868, Mar 09 2007 Xerox Corporation Bezel for a printing system controller
D581823, Mar 14 2008 PHC HOLDINGS CORPORATION Biochemical analyzer
D604417, Dec 12 2008 TEIJIN PHARMA LIMITED Oxygen concentrating apparatus
D606655, Jun 27 2008 INOVA LABS, 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
D749220, Dec 30 2010 INOGEN, INC Portable oxygen concentrator
D800121, May 12 2016 AKERS BIOSCIENCES, INC Optical scanning device
D808017, Feb 24 2016 Teijin Limited Oxygen concentrating apparatus
D835290, Jul 21 2017 Medical oxygen concentrator
D846742, Apr 06 2016 Koninklijke Philips N.V. Bag for portable oxygen concentrator
D982162, Aug 22 2022 Portable oxygen concentrator
ER1154,
ER1439,
ER2813,
ER9018,
Patent Priority Assignee Title
4545790, Aug 11 1983 Bio-Care, Incorporated Oxygen concentrator
6212904, Nov 01 1999 Respironics, Inc Liquid oxygen production
D284026, Jun 07 1985 JOHN BUNN COMPANY, THE Oxygen concentrator
D284695, Nov 01 1983 JOHN BUNN COMPANY, THE Oxygen concentrator
D329288, Nov 15 1989 Puritan-Bennett Corporation Cabinet for an oxygen concentrator
D412577, Oct 06 1997 COBHAM MISSION SYSTEMS DAVENPORT LSS INC Oxygen concentrator used in home health care
D471982, May 03 2002 Oxygen concentrator
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Jun 04 2003Matsushita Electric Industrial Co., Ltd.(assignment on the face of the patent)
Jun 04 2003NAKAMURA, MINORUMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0141420731 pdf
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