The ornamental design for a protectivecover for an electronic communications device, as shown and described.
FIG. 1 is a front perspective view of a protective cover for an electronic communications device, showing my new design;
FIG. 2 is a front elevation view of the protective cover illustrated in FIG. 1;
FIG. 3 is a rear elevation view of the protective cover illustrated in FIG. 1;
FIG. 4 is a left-side elevation view of the protective cover illustrated in FIG. 1;
FIG. 5 is a right-side elevation view of the protective cover illustrated in FIG. 1;
FIG. 6 is a top view of the protective cover illustrated in FIG. 1; and,
FIG. 7 is a bottom plan view of the protective cover illustrated in FIG. 1.
The broken lines depict portions of the protective cover for an electronic communications device that form no part of the claimed design. The unshaded surfaces bounded by the broken lines form no part of the claimed design.