Duckbill Drain Seal

FIG. 1 is a top perspective view of a first embodiment of a duckbill drain seal of the present invention;

FIG. 2 is a front view thereof, wherein a rear view is a mirror image thereof;

FIG. 3 is a right side view thereof, wherein a left side view is a mirror image thereof;

FIG. 4 is a top view thereof; and

FIG. 5 is a bottom view thereof;

FIG. 6 is a top perspective view of a second embodiment of a duckbill drain seal of the present invention;

FIG. 7 is a front view thereof, wherein a rear view is a mirror image thereof;

FIG. 8 is a right side view thereof, wherein a left side view is a mirror image thereof;

FIG. 9 is a top view thereof, and

FIG. 10 is a bottom view thereof;

FIG. 11 is a top perspective view of a third embodiment of a duckbill drain seal of the present invention;

FIG. 12 is a front view thereof, wherein a rear view is a mirror image thereof;

FIG. 13 is a right side view thereof, wherein a left side view is a mirror image thereof;

FIG. 14 is a top view thereof; and,

FIG. 15 is a bottom view thereof.

The broken lines depict portions of the duckbill drain seal that form no part of the claimed design.