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Patent
D550360
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Priority
Sep 02 2005
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Filed
Sep 02 2005
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Issued
Sep 04 2007
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Expiry
Sep 04 2021
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Assg.orig
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Entity
unknown
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20
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7
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n/a
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The ornamental design for a portable oxygen concentrator, as shown.
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FIG. 1 is a perspective view of a portable oxygen concentrator showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a first side elevation view thereof; and,
FIG. 5 is a second side elevation view thereof.
The broken line showing in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design.
McCombs, Norman R., Bosinski, Robert, Casey, Robert
Patent |
Priority |
Assignee |
Title |
D604417, |
Dec 12 2008 |
TEIJIN PHARMA LIMITED |
Oxygen concentrating apparatus |
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 |
D666724, |
Oct 14 2009 |
DRAGER SAFETY AG & CO KGAA |
Oxygen self rescuer |
D701316, |
Nov 15 2011 |
INTERSURGICAL AG |
Cartridge for respiratory apparatus |
D749220, |
Dec 30 2010 |
INOGEN, INC |
Portable oxygen concentrator |
D808017, |
Feb 24 2016 |
Teijin Limited |
Oxygen concentrating apparatus |
D835290, |
Jul 21 2017 |
|
Medical oxygen concentrator |
D854691, |
May 22 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 |
D894117, |
May 24 2017 |
INOGEN, INC |
Oxygen concentrator battery |
D970730, |
Dec 07 2020 |
SHENZHEN IMDK MEDICAL TECHNOLOGY CO., LTD. |
Oxygen concentrator |
D982162, |
Aug 22 2022 |
|
Portable oxygen concentrator |
ER2716, |
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|
ER3325, |
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ER535, |
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ER5855, |
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ER5882, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a