1.1is a perspective view of an electronic cigarette, according to a first embodiment of my new design;
1.2is a right side view thereof;
1.3is a left side view thereof;
1.4is a front view thereof;
1.5is a rear view thereof;
1.6is a top view thereof;
1.7is a bottom view thereof;
8.1is a perspective view of an electronic cigarette, according to a second embodiment of my new design;
8.2is a right side view thereof;
8.3is a left side view thereof;
8.4is a front view thereof;
8.5is a rear view thereof;
8.6is a top view thereof;
8.7is a bottom view thereof;
15.1is a perspective view of an electronic cigarette, according to a third embodiment of my new design;
15.2is a right side view thereof;
15.3is a left side view thereof;
15.4is a front view thereof;
15.5is a rear view thereof;
15.6is a top view thereof;
15.7is a bottom view thereof;
17.1is a perspective view of an electronic cigarette, according to a fourth embodiment of my new design;
17.2is a right side view thereof;
17.3is a left side view thereof;
17.4is a front view thereof;
17.5is a rear view thereof;
17.6is a top view thereof; and
17.7is a bottom view thereof.
The broken lines in the drawings depict portions of the electronic cigarette that form no part of the claimed design.