Patent ID: 6205722
Filing Date: 2001-03-27
Classification: E04F

Abstract:
A stairway comprising:a pair of spaced side support panels extending in a parallel opposed relation to each other, each side support panel of said pair of support panels formed from a molded plastic material and having an inner side which is arranged and designed to face an inner side of the other side support panel with each of said side support panels having at least two integral support columns of a hollow construction which extend outwardly from a respective inner side of each of said side panels, said columns arranged and designed for supporting the panels;each side support panel of said pair of molded plastic side support panels having a plurality of tread supports molded therein which open on a respective inner side thereof, with the tread supports of one side support panel being in transverse horizontal alignment with the tread support on the other side support panel; anda plurality of treads mounted in said transversely aligned tread supports.