The ornamental design for a doorguard for refrigerator, as shown and described.
FIG. 1 is a perspective view of a door guard for refrigerator, showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is another side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof,
FIG. 8 is a bottom perspective view thereof; and,
FIG. 9 is another perspective view thereof in an environment of use.
The broken lines illustrating portions of the door guard for refrigerator form no part of the claimed design. The broken lines illustrating portions of a refrigerator door in FIG. 9 are for environmental purposes only and form no part of the claimed design.