The ornamental design for a servicedogvest, as shown and described.
FIG. 1 is a top, front, left perspective view of a service dog vest, shown in a first configuration with the vest flattened and the straps unbuckled.
FIG. 2 is a front elevation view thereof.
FIG. 3 is a rear elevation view thereof.
FIG. 4 is a top, front, left perspective view of service dog vest of FIG. 1, shown in a second configuration with the vest flattened and the straps buckled.
FIG. 5 is a front elevation view thereof; and,
FIG. 6 is a rear elevation view thereof.
The broken lines showing hardware (fasteners, clips, and buckles) depict environmental subject matter only and form no part of the claimed design. The broken lines on the service dog vest depict stitching and form no part of the claimed design.