The ornamental design for a combinedcase and fingerstrap for an electronicdevice, as shown and described.
FIG. 1 is a right side view of a combined case and finger strap for an electronic device showing our new design
FIG. 2 is a left side view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a back perspective view thereof;
FIG. 6 is a front perspective view thereof;
FIG. 7 is another back perspective view thereof;
FIG. 8 is another front perspective view thereof;
FIG. 9 is a perspective view of the finger strap decoupled from the case mount shown in FIG. 1;
FIG. 10 is another perspective view thereof;
FIG. 11 is a left side view thereof; and,
FIG. 12 is a right side view thereof.
The broken lines shown in the drawings illustrate an electronic device, and illustrate portions of the case. None of the broken lines form part of the claimed design.