FIG. 1 shows a perspective view of a conical filter, showing our new design;

FIG. 2 shows a bottom perspective view of the filter device shown in FIG. 1;

FIG. 3 shows a side elevational view of the filter device shown in FIG. 1;

FIG. 4 shows a top plan view of the filter device shown in FIG. 1;

FIG. 5 shows a bottom plan view of the filter device shown in FIG. 1;

FIG. 6 shows a cross-sectional view thereof taken along line 6--6 in FIG. 1;

FIG. 7 shows a perspective view of a conical filter showing a second embodiment of our new design;

FIG. 8 shows a bottom perspective view of the filter device shown in FIG. 7;

FIG. 9 shows a side elevational view of the filter device shown in FIG. 7;

FIG. 10 shows a top plan view of the filter device shown in FIG. 7;

FIG. 11 shows a bottom plan view of the filter device shown in FIG. 7;

FIG. 12 shows a cross-sectional view thereof, taken along line 12--12 in FIG. 7;

FIG. 13 shows a perspective view of a conical filter showing a third embodiment of our new design;

FIG. 14 shows a bottom perspective view of the filter device shown in FIG. 13;

FIG. 15 shows a side elevational view of the filter device shown in FIG. 13;

FIG. 16 shows a top plan view of the filter device shown in FIG. 13;

FIG. 17 shows a bottom plan view of the filter device shown in FIG. 13; and,

FIG. 18 shows a cross-sectional view thereof, taken along line 18--18 in FIG. 13.

The sole difference between the three embodiments resides in the appearance of the size of the diameter.