Refrigerator shelf

FIG. 1 is a front view of a refrigerator shelf according to our design shown in place within an unclaimed refrigerator,back, right side, left side, top and bottom views of the design showing no claimed portion of the design when in place within the unclaimed refrigerator;

FIG. 2 is a front-perspective view of the refrigerator shelf of FIG. 1 with portions of the unclaimed refrigerator removed;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

Broken lines are environmental only and form no part of the claimed design.

The pairs of closely adjacent, spaced jagged broken lines in the drawings disclose indeterminate length and form no part of the claimed design.

Dash-dot lines adjacent un-shaded areas represent bounds of the claimed design and form no part of the claimed design themselves.

The diagonal shading indicates transparency.

The dash-dot depiction of a rectangular prism in FIGS. 2-8 that enclose the refrigerator shelf with portions of the unclaimed refrigerator, depicted in FIG. 1 removed is similarly unclaimed and represents a space within an interior of the refrigerator in which the shelf is present.