Static structures (e.g. – buildings) – Stepped; e.g. – stair
Patent
1997-12-16
2000-05-30
Smith, Creighton
Static structures (e.g., buildings)
Stepped; e.g., stair
52179, E04F 1100
Patent
active
060677589
ABSTRACT:
The invention concerns a stair construction element comprising a horizontal tread part and a nosing-like riser part extending vertically therefrom, for renovating a stair, in which a tread part (2) and a nosing-like riser part (3) form an integral element (1) encased or coated with laminate (4).
REFERENCES:
patent: 4285177 (1981-08-01), Seegers
patent: 4722164 (1988-02-01), Scholler
patent: 4869035 (1989-09-01), Scholler
Cosima Zenkner
Smith Creighton
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