Patent ID: 8863954
Filing Date: 2014-10-21
Classification: B31B,B65D,Y10S

Abstract:
1. A cup for coloring a liquid that is poured into it, the cup comprising: an outer surface; an inner surface for holding the liquid, the inner surface including a side wall and a bottom; and a colorant fixed on the inner surface of the cup before the addition of the liquid to the cup, the colorant being located on the bottom of the inner surface in a ring shape such that a top portion of the colorant is exposed, wherein the colorant is exposed between a first point outside the ring shape and a second point on the bottom of the cup within the ring shape, wherein the colorant is preconditioned to dissolve when contacting the liquid, and wherein a top surface of the bottom defines a first plane that includes the first point outside the ring shape and the second point within the ring shape, the colorant being located in a recess and a top surface of the colorant defining a second plane, the second plane defined by the colorant being lower than the first plane defined by the top surface of the bottom, and wherein the cup will stack within a second identically-dimensioned cup.