Patent ID: 7897246

Claim:
A man-made, molded article having an interior surface and an exterior surface, comprising a profile including a planar wall and an adjacent integral molded depression, the planar wall having an exterior surface region, the depression comprising a contoured wall extending downwardly from the planar wall toward a bottom of the depression, the contoured wall comprising a bead portion having opposite bead exterior and interior surface regions, a cove portion having opposite cove exterior and interior surface regions, and a ledge between the bead portion and the cove portion, wherein the molded article is stackable, one above another for transport, with another article of identical profile in a nestable relationship in which multiple contact zones are present between the contoured walls of the stacked molded articles, the contact zones including an arcuately extending contact zone between the bead exterior and interior surface regions, and wherein the depression has a substantially uniform thickness varying by no more than about +1 percent to about −11 percent in relation to a thickness of the planar wall.