Patent
   D471982
Priority
May 03 2002
Filed
May 03 2002
Issued
Mar 18 2003
Expiry
Mar 18 2017
Assg.orig
Entity
unknown
23
8
n/a
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.

Cheng, Ming-Chuan

Patent Priority Assignee Title
10675178, Aug 21 2007 ZELTIQ AESTHETICS, INC Monitoring the cooling of subcutaneous lipid-rich cells, such as the cooling of adipose tissue
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11819257, Jan 31 2014 Zeltiq Aesthetics, Inc. Compositions, treatment systems and methods for improved cooling of lipid-rich tissue
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Patent Priority Assignee Title
4378982, Aug 28 1981 JOHN BUNN COMPANY, THE Compact oxygen concentrator
4502873, Jul 27 1982 PROTO-MED, INC Method and apparatus for concentrating oxygen
4545790, Aug 11 1983 Bio-Care, Incorporated Oxygen concentrator
6212904, Nov 01 1999 Respironics, Inc Liquid oxygen production
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D412577, Oct 06 1997 COBHAM MISSION SYSTEMS DAVENPORT LSS INC Oxygen concentrator used in home health care
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