FIG. 1 is a front elevational view of a lock showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is another side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front elevational view thereof, shown in an alternate position;
FIG. 8 is a rear elevational view of FIG. 7;
FIG. 9 is a side elevational view of FIG. 7;
FIG. 10 is another side elevational view of FIG. 7;
FIG. 11 is a top plan view of FIG. 7;
FIG. 12 is a bottom plan view of FIG. 7;
FIG. 13 is a bottom perspective view of FIG. 1;
FIG. 14 is a top perspective view of FIG. 1;
FIG. 15 is a front elevational view of a second embodiment of the lock;
FIG. 16 is a rear elevational view of FIG. 15;
FIG. 17 is a side elevational view of FIG. 15;
FIG. 18 is another side elevational view of FIG. 15;
FIG. 19 is a top plan view of FIG. 15;
FIG. 20 is a bottom plan view of FIG. 15;
FIG. 21 is a front elevational view of FIG. 15, shown in an alternate position;
FIG. 22 is a rear elevational view of FIG. 21;
FIG. 23 is a side elevational view of FIG. 21;
FIG. 24 is another side elevational view of FIG. 21;
FIG. 25 is a top plan view of FIG. 21;
FIG. 26 is a bottom plan view of FIG. 21;
FIG. 27 is a bottom perspective view of FIG. 15; and,
FIG. 28 is a top perspective view of FIG. 15.
The broken lines indicate unclaimed portions and form no part of the claimed design.