The ornamental design for a circuitboardcasecover, as shown and described.
FIG. 1 is a top front perspective view of a circuit board case cover, showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The evenly-sized dash-dash broken lines shown in the drawings depict portions of the circuit board case cover that form no part of the claimed design.
The unevenly-sized dash-dot-dash broken lines shown in the drawings depict the bounds of the claimed design, and the unevenly-sized dash-dot-dash broken lines form no part of the claimed design.