Stair tread
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United States of America Patent
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Oct 27, 2015
Grant Date -
N/A
app pub date -
Dec 2, 2014
filing date -
Dec 2, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure concerns embodiments of a stair tread which can be installed on a staircase. The stair tread has a metal core at least partially covered with high-strength concrete. In an exemplary embodiment, the core portion has first and second horizontally extending metal plates that are spaced apart vertically from each other, and a grid of vertically extending metal support walls positioned between the first and second metal plates. The core portion can also include retention elements extending upwardly from and distributed across the top of the upper plate for securing the concrete covering to the core.
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