The ornamental design for a cookingpotring, as shown and described.
FIG. 1 is a perspective view a cooking pot ring;
FIG. 2 is a perspective view of the cooking pot ring thereof, shown in a position of use;
FIG. 3 is a first side view of the cooking pot ring of FIG. 1, the second side view being a mirror image thereof;
FIG. 4 is a first end view of the cooking pot ring of FIG. 1, the second end view being a mirror image thereof;
FIG. 5 is a top view of the cooking pot ring of FIG. 1; and,
FIG. 6 is a bottom view of the cooking pot ring of FIG. 1.
The present application is directed to the design illustrated in the drawings and described in the specification. The broken lines are shown for the purpose of illustrating environmental subject matter that form no part of the claimed design.