Pre-formed stair construction

Details Pre-formed stair construction Pre-formed stair construction

1989-03-07

1990-08-28

Chilcot, Jr., Richard E.

Static structures (e.g., buildings)

Stepped; e.g., stair

Risers connected to common stringer

52185, 52190, E04F 1100

Patent

active

049514342

ABSTRACT:
A prefabricated stairway formed of a plurality of preformed steps composed of wear-resistant plastic or composite material which can be injection molded in units of one or more steps to permit inexpensive mass production and which are simple and inexpensive to install and can be formed of colored material to provide a highly aesthetic appearance.

REFERENCES:
patent: 1343739 (1920-06-01), Nesdall
patent: 2471352 (1949-05-01), Safir
patent: 2615325 (1952-10-01), Seeber
patent: 3021928 (1962-02-01), Blair
patent: 3720024 (1973-03-01), Theisen
patent: 3805464 (1974-04-01), Hanson
patent: 3978628 (1976-09-01), Turner
patent: 4041662 (1977-08-01), Ward
patent: 4343120 (1982-08-01), Witte

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