Firestop drain assembly
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United States of America Patent
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May 14, 2013
Grant Date -
N/A
app pub date -
May 14, 2012
filing date -
Nov 17, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A firestop drain assembly for mounting in a partition to prevent fire on one side of the partition from moving through the firestop drain assembly to the other side of the partition. The firestop drain assembly can achieve an F-rating and a T-rating of at least one (1) hour.
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