Stair tread

Details Stair tread Stair tread

1993-06-17

1994-10-25

Friedman, Carl D.

Static structures (e.g., buildings)

Stepped; e.g., stair

52188, 52191, 52177, E04F 1100

Patent

active

053577248

ABSTRACT:
A stair tread, in which synthetic rubber is used to encase metal side core portions arranged at the side edges of a substantially horizontal core section at a downward right-angle thereto. A lip is provided along the side edges of the tread surface. The lip projects upward, the outside surface of the lip is flush with the surface of the synthetic rubber that covers the side core sections, and the lip is formed in one piece, of synthetic rubber.

REFERENCES:
patent: 893198 (1908-08-01), Schachner
patent: 1457515 (1923-06-01), Frisch
patent: 4451063 (1984-05-01), Snyder

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