The ornamental design for a wall mounted ironing boardcabinet, as shown and described.
FIG. 1 is a front elevation view of the wall mounted ironing board cabinet showing the new design with the sliding door in an opened-to-the-left position.
FIG. 2 is a right side elevation view thereof.
FIG. 3 is a top plan view thereof showing the sliding door in an opened-to-the-left position.
FIG. 4 is a bottom plan view thereof showing the sliding door in an opened-to-the-left position.
FIG. 5 is a rear elevation view thereof showing the sliding door in an opened-to-the-left position.
FIG. 6 is a top plan view thereof showing the sliding door in a closed position; and,
FIG. 7 is a top plan view thereof showing the sliding door in an opened-to-the-right position.
The ironing board structure, including the grid work within same, has been depicted by broken lines for the purpose of illustrating environmental features that form no part of the claimed design.