Patent ID: 7168583
Filing Date: 2007-01-30
Classification: A47G,B65D

Abstract:
1. A drinking utensil with two size adjustable liquid comprising: an outer casing with a closed round insulated bottom, said bottom includes grooves for improved grip, said outer casing being cylindrical in shape, with an annular open top, and including at least one vertical groove along an inside surface of said outer casing, an inner casing, having a generally straight sidewall, being cylindrical in shape with an open top and an open bottom with a slot adjacent the open bottom, said slot receiving said at least one vertical groove enabling the inner casing to vertically slide up and attach into an extended position and also slide down and attach within the outer casing into a collapsed position, and screw receptors located at the top and bottom of said outer casing with a corresponding component located at the bottom of said inner casing, creating a fluid tight seal between the inner and outer casing when said inner casing is in its extended position, said inner casing also includes a lid, said bottom of said outside casing being thicker than any other wall of the drinking utensil.