Refrigerator

FIG. 1 is a top, front and right-side perspective view of a refrigerator showing our new design;

FIG. 2 is a bottom, rear and left-side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear 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 a top, front and right-side perspective view of the refrigerator with the door slightly opened;

FIG. 10 is a front elevation view thereof;

FIG. 11 is a rear elevation view thereof;

FIG. 12 is a left-side elevation view thereof;

FIG. 13 is a right-side elevation view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom plan view thereof;

FIG. 16 is a top, front and right-side perspective view of the refrigerator with the door fully opened;

FIG. 17 is a front elevation view thereof;

FIG. 18 is a rear elevation view thereof;

FIG. 19 is a left-side elevation view thereof;

FIG. 20 is a right-side elevation view thereof;

FIG. 21 is a top plan view thereof; and,

FIG. 22 is a bottom plan view thereof. The broken lines shown in FIGS. 1 - 22 depict portions of the refrigerator and form no part of the claimed design.