US D247252 S
FIG. 1 is a top plan view of a blood filter showing my new design;
FIG. 2 is a side-elevational view of one side thereof; the opposite side being the same as the side as shown;
FIG. 3 is an end-elevational view thereof; the opposite end being similar to the end shown, and
FIG. 4 is a view of the bottom thereof.
The broken lines are shown for illustrative purposes only.