The ornamental design for pocket, as shown and described.
FIG. 1 is a front elevational view of decorative stitching for a pocket showing my design;
FIG. 2 is a front view thereof, shown in the environment of a pair of pants;
FIG. 3 is a front elevational view of an alternative embodiment of the decorative stitching for a pocket shown in FIG. 1; and,
FIG. 4 is front view of the alternative embodiment shown in FIG. 3, shown in the environment of a pair of pants.
The smaller broken lines shown on the surface of the pocket in FIGS. 1-4 represent stitching and are part of the claimed design. The larger broken lines shown in FIGS. 1-4 represent environmental structure only and form no part of the claimed design.