We claim the ornamental design for a usage monitoring attachment for an inhaler, as shown and described.
FIG. 1 is a perspective view of a usage monitoring attachment for an inhaler showing the new design.
FIG. 2 is a front view of the usage monitoring attachment for an inhaler.
FIG. 3 is a rear view of the usage monitoring attachment for an inhaler.
FIG. 4 is a right side view of the usage monitoring attachment for an inhaler.
FIG. 5 is a left side view of the usage monitoring attachment for an inhaler.
FIG. 6 is a top view of the usage monitoring attachment for an inhaler; and,
FIG. 7 is a bottom view of the usage monitoring attachment for an inhaler.
The broken line showing of the inhaler illustrates environment and forms no part of the claimed design. All other broken lines illustrate portions of the usage monitoring attachment for an inhaler that form no part of the claimed design.