Apparatus for protecting PVC risers
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United States of America Patent
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Jul 25, 2017
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N/A
app pub date -
Jun 28, 2016
filing date -
Jun 28, 2016
priority date (Note) -
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Abstract
A protector for a plumbing cleanout having an exposed, protruding portion, the protector having a rigid element for use individually or in superimposed layers one upon another. The element has a circular center hole whose inside diameter is greater than the largest outside diameter of the exposed plumbing, parallel planar fundus and summa surfaces and at least one ferrous metal reinforcement member cast within the protector.
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