Door Lock

FIG. 1 is a front view of the first embodiment of a door lock; FIG. 2 is a left side view thereof; FIG. 3 is a right side view thereof; FIG. 4 is a top view thereof; FIG. 5 is a bottom view thereof; and FIG. 6 is a perspective view thereof. FIG. 7 is a front view of the second embodiment of a door lock; FIG. 8 is a left side view thereof; FIG. 9 is a right side view thereof; FIG. 10 is a top view thereof; FIG. 11 is a bottom view thereof; and, FIG. 12 is a perspective view thereof. The rear views of the door lock designs are not visible when in use and form no part of the claimed design. The broken lines in the drawings illustrate portions of the door lock which forms no part of the claimed design.