The ornamental design for an eggcookingdevice, as shown and described.
FIG. 1 is a side perspective view of an egg cooking device having caps, an upper portion, and a lower portion, showing the new design in a closed state;
FIG. 2 is an exploded perspective view of the egg cooking device of FIG. 1 in an open state;
FIG. 3 is a bottom perspective view of the upper portion of the egg cooking device of FIG. 1; and,
FIG. 4 is a side cross-sectional elevation view, taken along line 4-4 of FIG. 1, of the egg cooking device of FIG. 1 in a closed state.
The broken lines immediately adjacent the shaded surfaces represent the bounds of the claimed design. All other broken lines depict environmental subject matter that forms no part of the claimed design. The broken lines and unshaded surfaces bounded by broken lines form no part of the claimed design. The views not shown form no part of the claimed design.