Simplified blank forming a rodent poison container

Claim 1

In a device positionable in a runway for exposing pests to a poisonous material, comprising: a horizontally elongated tubular member of rectangular cross section, said tubular member including opposed top and bottom walls joined together by opposed side walls; said tubular member being formed from a single, substantially rectangular sheet of bendable material; one of said side walls and one of said top and bottom walls, adjacent the opposite side edges of the sheet, having cooperating slot and tab means for interlocking said walls together to hold said sheet in a bent for wherein it defines said tubular member; a low upright barrier wall fixed to said tubular member adjacent each end thereof, said low barrier wall being substantially rectangular and extending across the complete width of said tubular member, the opposite ends of said tubular member being substantially open except for said low barrier walls to thereby form a substantially closed tray for retaining poisonous material; said barrier wall being integral with said bottom wall and bent upwardly therefrom in substantially perpendicular relationship thereto, said bottom wall having a horizontal longitudinal length which is less than the horizontal longitudinal length of the adjacent side walls, said bottom wall having its end edges spaced inwardly from the adjacent end edges of the side walls by a distance equal to the height of said barrier wall; said barrier wall having a horizontal width which is greater than the width of said bottom wall, said barrier wall having integral locking tabs projecting outwardly from the opposite ends thereof, said tabs projecting sidewardly of said tubular member outwardly beyond said side walls; and said side walls, adjacent the lower corners thereof, having cut means for receiving therein one of said locking tabs to interlock the barrier wall to said side walls and rigidify said tubular member.