Stormwater Drain Backflow Flood Control Device
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United States of America Patent
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N/A
Issued Date -
Nov 7, 2013
app pub date -
May 3, 2013
filing date -
May 4, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A stormwater drain backflow control device having a sheet-like, liquid impermeable, skirt member, preferably flexible, and a circular drain opening to allow water to flow through the device and into the catch basin. A cage assembly depends beneath the skirt member beneath the opening, the cage assembly retaining a spherical float member in a manner that allows the float member to rise within the cage assembly and seal the drain opening in the event that the water level within the catch basin rises.
First Claim
Family
International Classification(s)
Cited Art Landscape
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