Oxygen concentrator

Description

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.

Claims

The ornamental design for an oxygen concentrator, as shown and described.