The ornamental design for a grate for a refrigerationappliance, as shown and described.
FIG. 1 is a perspective view of a grate on a refrigeration appliance;
FIG. 2 is a front view of a grate on a refrigeration appliance;
FIG. 3 is a right perspective view thereof;
FIG. 4 is an enlarged right perspective view of a grate on a refrigeration appliance;
FIG. 5 is an enlarged left perspective view of a grate on a refrigeration appliance; and,
FIG. 6 is another perspective view of a grate on a refrigeration appliance.
The broken lines showing of various portions and other elements in the Figures are for the purpose of illustrating unclaimed portions and form no part of the claimed design. The dash-dot-dash broken line illustrates the bounds of the claim.