Precast stair system

Details Precast stair system Precast stair system

1989-03-13

1991-02-26

Chilcot, Jr., Richard E.

Static structures (e.g., buildings)

Stepped; e.g., stair

Precast stonelike component

52190, E04F 1910

Patent

active

049952056

ABSTRACT:
A precast stair system is disclosed, including a plurality of individually precast steps. Each step includes a tread portion and a riser portion that is integrally connected to the tread portion and extends generally downwardly therefrom. One or more elongate stringer elements are precast independently of the steps for supporting the steps and the steps are releasably fastened to each stringer element.

REFERENCES:
patent: 1985143 (1934-12-01), Buffaloe
patent: 2171951 (1939-09-01), Rosenberger
patent: 2218523 (1940-10-01), Byington
patent: 2558615 (1951-06-01), Johnson
patent: 3466820 (1969-09-01), Sender
patent: 3805464 (1974-04-01), Hanson
patent: 3834098 (1974-09-01), Wutzke
patent: 3875708 (1975-04-01), Thorsnes

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