Drone aircraft

Description

The file of this patent contains at least one drawing/photograph executed in color. Copies of this patent with color drawing(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fee.

1.1 : Perspective

1.2 : Right

1.3 : Top

1.4 : Bottom

1.5 : Front

1.6 : Back

1.7 : Perspective

1.8 : Perspective

A new ornamental design for a drone aircraft. The left-side view is omitted because it is a mirror image of the right-side view.

Claims

The ornamental design for a drone aircraft as shown and described.