FIG. 1 is a front perspective view of a first embodiment of a refrigerator, showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a cross-sectional view taken along the line 8-8 of FIG. 2;
FIG. 9 is an enlarged view of the portion 9 in FIG. 1;
FIG. 10 is an enlarged view of the portion 10 in FIG. 1;
FIG. 11 is an enlarged view of the portion 11 in FIG. 8;
FIG. 12 is a perspective view thereof in an environment of use;
FIG. 13 is a front perspective view of a second embodiment of a refrigerator, showing our new design;
FIG. 14 is a front view thereof;
FIG. 15 is a rear view thereof;
FIG. 16 is a left-side view thereof;
FIG. 17 is a right-side view thereof;
FIG. 18 is a top view thereof;
FIG. 19 is a bottom view thereof;
FIG. 20 is a cross-sectional view taken along the line 20-20 of FIG. 14;
FIG. 21 is an enlarged view of the portion 21 in FIG. 13;
FIG. 22 is an enlarged view of the portion 22 in FIG. 13;
FIG. 23 is an enlarged view of the portion 23 in FIG. 20;
FIG. 24 is a perspective view thereof in an environment of use;
FIG. 25 is a front perspective view of a third embodiment of a refrigerator, showing our new design;
FIG. 26 is a front view thereof;
FIG. 27 is a rear view thereof;
FIG. 28 is a left-side view thereof;
FIG. 29 is a right-side view thereof;
FIG. 30 is a top view thereof;
FIG. 31 is a bottom view thereof;
FIG. 32 is a cross-sectional view taken along the line 32-32 of FIG. 26;
FIG. 33 is an enlarged view of the portion 33 in FIG. 25;
FIG. 34 is an enlarged view of the portion 34 in FIG. 25;
FIG. 35 is an enlarged view of the portion 35 in FIG. 32;
FIG. 36 is a perspective view thereof in an environment of use;
FIG. 37 is a front perspective view of a fourth embodiment of a refrigerator, showing our new design;
FIG. 38 is a front view thereof;
FIG. 39 is a rear view thereof;
FIG. 40 is a left-side view thereof;
FIG. 41 is a right-side view thereof;
FIG. 42 is a top view thereof;
FIG. 43 is a bottom view thereof;
FIG. 44 is a cross-sectional view taken along the line 44-44 of FIG. 38;
FIG. 45 is an enlarged view of the portion 45 in FIG. 37;
FIG. 46 is an enlarged view of the portion 46 in FIG. 37;
FIG. 47 is an enlarged view of the portion 47 in FIG. 44;
FIG. 48 is a perspective view thereof in an environment of use;
FIG. 49 is a front perspective view of a fifth embodiment of a refrigerator, showing our new design;
FIG. 50 is a front view thereof;
FIG. 51 is a rear view thereof;
FIG. 52 is a left-side view thereof;
FIG. 53 is a right-side view thereof;
FIG. 54 is a top view thereof;
FIG. 55 is a bottom view thereof;
FIG. 56 is a cross-sectional view taken along the line 56-56 of FIG. 50;
FIG. 57 is an enlarged view of the portion 57 in FIG. 49;
FIG. 58 is an enlarged view of the portion 58 in FIG. 49;
FIG. 59 is an enlarged view of the portion 59 in FIG. 56;
FIG. 60 is a perspective view thereof in an environment of use;
FIG. 61 is a front perspective view of a sixth embodiment of a refrigerator, showing our new design;
FIG. 62 is a front view thereof;
FIG. 63 is a rear view thereof;
FIG. 64 is a left-side view thereof;
FIG. 65 is a right-side view thereof;
FIG. 66 is a top view thereof;
FIG. 67 is a bottom view thereof;
FIG. 68 is a cross-sectional view taken along the line 68-68 of FIG. 62;
FIG. 69 is an enlarged view of the portion 69 in FIG. 61;
FIG. 70 is an enlarged view of the portion 70 in FIG. 61;
FIG. 71 is an enlarged view of the portion 71 in FIG. 68; and,
FIG. 72 is a perspective view thereof in an environment of use.
The even-dash broken lines illustrating portions of the refrigerator and environmental structure form no part of the claimed design. The dot-dot-dash broken lines encircling enlargement portions of the refrigerator form no part of the claimed design.