Patent ID: 8746544

Claim:
A collapsible cardboard box and lid assembly comprising: a collapsible box portion having a fully assembled configuration defined by an outer shell having four sides and a bottom, and an open top defined by top edges of the four sides, each of the four sides comprising an outer face and an inner face flap connected to the outer face by one a plurality of fold-over regions that form the top edges of the four sides, each of the fold-over regions comprising mitered edges that align with the mitered edges of the fold over regions of the sides adjacent thereto to define mitered corners, the outer shell bottom having an outer face and two intermediate side flaps connected thereto, each of the intermediate side flaps sandwiched between the outer face and the inner face flap of one of the sides, said sides sandwiching said intermediate side flaps positioned opposite one another, said box portion further comprising a single locking flap connected to a remaining one of said four sides that locks said box in said assembled configuration and defines an interior bottom of the box portion, wherein at least two of said box inner side flaps comprise one or more tabs biased against an interior face of the outer shell bottom in said fully assembled configuration and said locking flap comprises one or more indents to accommodate said one or more tabs; a collapsible lid portion having a fully assembled configuration defined by a top, having an inner portion and an outer portion, a shell having four sides, and an open bottom defined by top edges of the four sides, the top outer portion connected to a first set of opposite outer side faces defining two of said sides, said opposite outer side faces connected by a fold-over region to opposite inner side faces, with only one inner side face connected at a fold line to a single top locking liner flap that extends from the attached inner side face to a leading edge in abutment with the opposite inner side face to lock said lid portion in said assembled configuration, said top liner flap defining an interior of the lid portion, said top outer face further connected to a second set of opposite outer side faces defining a remaining two of the four sides, said second set of opposite outer side faces connected to opposite intermediate flaps sandwiched between said first set of opposite outer side faces and inner side faces, wherein the top liner flap comprises one or more tabs on its leading edge that mesh with one or more slots to lock the lid in the assembled configuration, each slot defined by an indent in a leading edge of the opposite inner face in abutment with an inner surface of the top outer portion.