Drywell cover and drywell
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 23, 1993
Issued Date -
N/A
app pub date -
Jun 15, 1992
filing date -
Aug 16, 1989
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A drywell cover to cover a drywell and a drywell system employing the drywell and cover wherein the drywell cover comprises a base cover having a raised, central wall section such as a round cylinder and an open inner section and a plurality of at least three therein supporting rib elements on the top surface of the base cover and extending from the periphery of the base cover to the raised wall section.
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