The design for a petcarrier, as shown and described.
FIG. 1 is a front perspective view of a pet carrier showing my new design;
FIG. 2 is a top perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a left side elevational view thereof; and,
FIG. 8 is a right side elevational view thereof.
The broken lines along the body of the pet carrier shown in FIGS. 1-8 are included to show fold lines on the pet carrier that form no part of the claim. The broken lines of the zipper pull in the figures illustrate portions of the pet carrier that form no part of the claimed design.