FIG. 1 is a top left front perspective view of a drop in sink of our design;
FIG. 2 is a top plan view thereof, the bottom plan view being plain, unornamented and unclaimed;
FIG. 3 is a front elevational view thereof, the rear elevational view being identical thereto;
FIG. 4 is a right side elevational view thereof, the left side being identical thereto;
FIG. 5 is a cross sectional view taken along the line 5-5 in FIG. 2, the dashed lines representing unclaimed features; and,
FIG. 6 is a cross sectional view taken along the line 6-6 in FIG. 2, the dashed lines representing unclaimed features.