Patent ID: 8613358
Filing Date: 2013-12-24
Classification: B65D

Abstract:
1. A container comprising: a main body that, in use, holds liquid; a top portion having an upstanding peripheral flange, the upstanding peripheral flange having at least one protrusion extending radially from a surface; and a bottom portion having a peripheral structure, the peripheral structure having an end face, an interior wall facing toward a recessed area, an exterior wall, and at least one groove circumferentially oriented on the interior or exterior wall to receive at least one protrusion of a second container, the at least one groove having a receiving portion which, when aligned with the at least one protrusion of the second container, receives the at least one protrusion of the second container upon rotation of the second container with respect to the container to detachably couple the container and the second container, and the at least one groove further including a locking portion and a blocking portion, wherein the at least one groove exists between the main body and a protrusion extending circumferentially around the exterior wall of the bottom portion, the receiving portion is an opening at one end of the at least one groove, and the blocking portion is an obstructed end of the at least one groove.