PRE-CAST PERVIOUS CONCRETE
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United States of America Patent
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Issued Date -
Dec 4, 2014
app pub date -
Jun 5, 2014
filing date -
Jul 24, 2010
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Abstract
A pervious concrete slab is pre-cast in a reusable mold or form to define at least one keyway configured and arranged to engage with a complementary keyway of another similar pre-cast pervious concrete slab. The concrete slab is then cured in a controlled environment, transported to an installation site, and installed.
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Cited Art Landscape
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