Oxygen Concentrator

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

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of the encircled portion in FIG. 1 ;

FIG. 10 is an enlarged view of the encircled portion in FIG. 2 ; and,

FIG. 11 is an enlarged view of the encircled portion in FIG. 2 .

The equal-length broken lines depict portions of the oxygen concentrator that form no part of the claimed design.

The dash-dot lines in FIGS. 1 , 2 , 9 , 10 and 11 illustrate the boundaries of the enlarged view indicators and form no part of the claimed design.