Patent ID: 8240478

Claim:
A sift-resistant and leak-resistant container formed from a single unitary sheet of cut and scored foldable material that can be shipped in a flattened condition to a point of use and quickly and easily erected without use of adhesive or other separate fastening means to hold the container in erected condition, the container comprising: a bottom panel having opposite side edges and opposite end edges; opposed side panels on respective opposite end edges of the bottom panel, the side panels each terminating in a free upper edge; opposed front and back panels on the opposite side edges of the bottom panel, the front and back panels extending perpendicular to the side panels and projecting at opposite ends thereof beyond the side panels; gusset corner panels connecting adjacent ends of the side panels and the front and back panels, defining closed leak-resistant and sift-resistant corners in the container, the gusset corner panels being trapezoidally shaped and foldably connected to respective ends of the side panels by fold creases extending collinearly with the opposite side edges of the bottom panel, and foldably connected to respective adjacent ends of the front and back panels by fold creases extending diagonally from the ends of the front and back panels to adjacent corners of the bottom panel; and a top panel foldably connected to and right angle to a top edge of the back panel resulting in an L-shaped free edge, which protrudes outward substantially from both of the side walls, the top panel terminating in opposite free side edges and having length and width dimensions to cover the container and to rest on and be supported by the free upper edges of the side panels with the free side edges of the top panel extending beyond the side panels to prevent the top panel from being depressed into an interior space of the container and wherein the footprint of the top panel being substantially larger than the footprint of the bottom panel.