Patent ID: 7770420

Claim:
A barricade bar for maintaining a door in a closed configuration, the door including a first side, an opposed second side, and a door latching apparatus including a stem extending orthogonally away from the second side, the first side being oriented in a direction toward which the door opens, the door being hingedly mounted for rotational movement between the closed configuration and an open configuration in a door frame having at least one vertical member, the barricade bar comprising: a flange member including a first generally U-shaped slot extending therethrough characterized by a first longitudinal axis and a first width, in parallel disposition with a second generally U-shaped slot extending therethrough characterized by a second longitudinal axis collinear with the first longitudinal axis and a second width greater than the first width, the first slot adapted for slidably engaging a latching apparatus stem to prevent unintended separation of the flange member from a latching apparatus; and a frame member for coordinate engagement with the at least one door frame vertical member, the frame member and the flange member forming an unbroken whole; wherein the barricade bar can abut a second side of a door and at least one door frame vertical member so that the frame member immovably engages at least one door frame vertical member, and the U-shaped slot immovably engages a latching apparatus stem to prevent the opening of a door.