Lock

FIG. 1 is a perspective view of a lock showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a left, bottom side perspective view thereof;

FIG. 9 is an enlarged detail view of area 9 shown in FIG. 1 ;

FIG. 10 is an enlarged detail view of area 10 shown in FIG. 4 ; and,

FIG. 11 is an enlarged detail view of area 11 shown in FIG. 5 .

The broken lines in the drawings depict portions of the lock that form no part of the claimed design.