Prefabricated stairway and method
AssigneeCeramic Technologies Corporation
InventorRussell L. Kress
Life of this patent
Estimating the term…
Abstract
A stairway includes a one-piece fiber reinforced plastic base having a plurality of riser surfaces and tread surfaces forming steps and a landing surface. The tread surfaces and the landing surface are configured to include an integral reinforcement surface region extending along a length of each tread surface and the landing. A preformed plastic tread member is fastened on a respective one of the tread surfaces of the base, and a preformed plastic landing member fastened on the landing surface. The base includes a front wall region, first and second side wall regions and a rear wall region integrally formed as one-piece and includes an outer filled resin layer and a plurality of fiber reinforced filled resin layers.
Claims19
Stairway, comprising a one-piece base having a plurality of riser surfaces and tread surfaces forming steps, said tread surfaces including holes therein, and a plurality of individual preformed removable, one-piece tread members with a respective individual tread member fastened on a respective one of said tread surfaces of said base by fasteners each received in a respective one of said holes.
Dependencies are inferred from the claim text.