Patent ID: 7959346

Claim:
A beverage mixing vessel, comprising: a container having a closed end and an open end; a first removable cap having an inlet portion adapted to fit over the open end of the container, the first removable cap having an outlet portion with a strainer disposed therein; a second removable cap having an open end and a closed end, the open end of the second cap being adapted to fit over the outlet portion of the first cap; and at least one ice-breaking device disposed within the container, comprising one or more protrusions extending upwards from the closed end of the container, the one or more protrusions each having an apex aligned with a direction of motion wherein the ice-breaking device comprises: a) a support member, b) a restraining member extending from the support member, i) wherein the one or more protrusions extend from the support member, and ii) wherein the ice-breaking device is disposed near the closed end of the container, and in a constant proximity thereto.