Casing for electronic device

FIG. 1 is a perspective view of the casing for electronic device;

FIG. 2 is a front elevational view of the embodiment of the design;

FIG. 3 is a rear elevational view of the embodiment of the design;

FIG. 4 is a left side elevational view of the embodiment of the design;

FIG. 5 is a right side elevational view of the embodiment of the design;

FIG. 6 is a top plan view of the embodiment of the design;

FIG. 7 is a bottom plan view of the embodiment of the design;

FIG. 8 is another top plan view of the embodiment of the design shown in the open position; and,

FIG. 9 is an enlarged fragmented view of the embodiment of the design as indicated in FIG. 5 .

The broken lines are included in the drawings to show unclaimed subject matter only and form no part of the claimed design. The portions of the electronic device shown in gray in FIGS. 1-9 represent a thin film.