The ornamental design for an assayprocessingsystem, as shown and described.
FIG. 1 is a front perspective view of the assay processing system;
FIG. 2 is a rear perspective view of the assay processing system;
FIG. 3 is a front elevational view of the assay processing system;
FIG. 4 is a rear elevational view of the assay processing system;
FIG. 5 is a right side elevational view of the assay processing system;
FIG. 6 is a left side elevational view of the assay processing system;
FIG. 7 is a top plan view of the assay processing system;
FIG. 8 is a bottom plan view of the assay processing system; and,
FIG. 9 is an underside rear perspective view of the assay processing system.
The broken lines immediately adjacent the shaded areas represent the bounds of the claim, while all other broken lines are directed to environment; the broken lines form no part of the claimed design.