Leaching chamber with drain holes in base flange
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United States of America Patent
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Nov 3, 2009
Grant Date -
N/A
app pub date -
Dec 20, 2004
filing date -
May 20, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A molded plastic arch shape cross section corrugated leaching chamber has opposing perforated sidewalls running up from feet. Each foot comprises a horizontal flange, an outer-edge fin, and transverse ribs, which define compartments on the flange surface. Drain holes through the flange within each compartment enable water from nearby sidewall perforations to flow downwardly into the soil during use.
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