FIG. 1 is a front, bottom and right side perspective view of an air conditioner, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a reference enlarged cross-sectional view thereof; taken along line 8-8 of FIG. 2, with the internal system omitted;
FIG. 9 is an enlarged partial view of the upper left-hand corner of the front elevational view of FIG. 2;
FIG. 10 is a reference enlarged partial cross-sectional view of a top plan view thereof; taken along line 10-10 of FIG. 9 and line 10-10 of FIG. 5, with the internal system omitted; and,
FIG. 11 is a reference front, bottom and right side perspective view showing a state of use.
The broken lines in all views are shown for illustrative purposes only and form no part of the claimed design.