Static structures (e.g. – buildings) – Specified wear or friction-type traffic-carrying surface – Tread-nosing; e.g. – shaped stair pad
Patent
1980-01-07
1981-08-25
Thiebodeau, Paul J.
Static structures (e.g., buildings)
Specified wear or friction-type traffic-carrying surface
Tread-nosing; e.g., shaped stair pad
52182, 428688, E04F 1112, B44D 508
Patent
active
042851777
ABSTRACT:
Reinforced tread assemblies for a stairway system having a tread formed of a reinforced concrete material and supported on a metal base member bonded to at least a portion of the underside of the tread to create a laminated construction. A nose section is integrally coupled to the base section and extends upward to protect the front portion of the tread from damage during use.
REFERENCES:
patent: 1244021 (1917-10-01), Bois
patent: 1497058 (1924-06-01), Barriball
patent: 1566042 (1925-12-01), Schmidt
patent: 3370387 (1968-02-01), Sivley
patent: 3616589 (1971-11-01), Sherard
patent: 3672106 (1972-06-01), Mulitz
patent: 3808085 (1974-04-01), Givens
American Stair Corporation Inc.
Gilhooly Edward D.
Thiebodeau Paul J.
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