Pipe Connector for Electronic Cigarette

FIG. 1 is a front elevational view of a pipe connector for electronic cigarette showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a perspective view thereof.

The broken lines in the drawings depict portions of the pipe connector for electronic cigarette that form no part of the claimed design.