The ornamental design for an inhaler, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a perspective view of an inhaler showing our new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a bottom plan view thereof, the top plan view being identical;
FIG. 4 is a side elevational view thereof;
FIG. 5 is another side elevational view thereof;
FIG. 6 is a front elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.
The broken line portions of the inhaler form no part of the claimed design.