The ornamental design for a protectiveframe for cupcoasters, as shown and described.
FIG. 1 is a perspective view of a protective frame for cup coasters showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is another perspective view thereof; and,
FIG. 9 is another perspective view thereof.
The broken lines shown in the figures are for the purpose of illustrating portions of the protective frame for cup coasters and form no part of the claimed design.