Patent ID: 8727113

Claim:
A multiple substance mixing container system, comprising: a mixing container having a first volume capacity for holding a main ingredient, said mixing container including a first upper end, wherein said mixing container is configured to retain a volume of a first mixing substance; a vessel member including a first lower end and a second upper end, wherein said first lower end is removably attached to said first upper end of said mixing container; an additive container having a second volume capacity smaller than said first volume capacity, to retain a volume of a second mixing substance, wherein said additive container includes a first cap, said additive container and first cap being removably positioned within said vessel member through said second upper end; a stopper member formed integrally with and positioned on an inner side of said vessel member, said stopper member having a circular ring structure having an inner diameter smaller than an outer diameter of said additive container whereby to form a base for said additive container as well as a frictional surface for engaging the substances when the mixing container is agitated, wherein said stopper member is positioned within said vessel member to allow said additive container to reside completely within said vessel member; and a second cap removably attached to said second upper end of said vessel member; and wherein said mixing container is configured to retain the combined volumes of the first and second mixing substances.