Patent ID: 8281526

Claim:
A stairway assembly comprising: a tread having a first surface, a second surface, a side edge, and a tread thickness defined between said first tread surface and said second tread surface; a riser having a first surface, a second surface and a side edge; and a unitary, L-shaped gusset connected to said tread and said riser, said gusset including a first portion having a first attachment structure connected directly to said second tread surface, and a second portion overlying at least a portion of said tread side edge and said second riser surface, said second portion having a second attachment structure connected directly to said second riser surface, said first attachment structure spaced from said second attachment structure by at least the amount of said tread thickness, said first portion extending at an angle from said second portion, wherein said riser side edge faces said first surface of said tread, and said tread side edge faces said gusset, wherein said gusset includes a line of weakening positioned between said first portion and said second portion whereby said gusset is bent about said line of weakening such that said first portion extends at an angle from said second portion.