The ornamental design for a ricemillingjar, as shown and described.
FIG. 1 is a front, right side, perspective view of a rice milling jar showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a reference view that shows the subject design with a rice milling machine installed and the transparent material of the subject design thereof.
The broken line showing of a rice milling machine in FIG. 8 is for the purpose of illustrating environmental structure and forms no part of the claimed design.