Static structures (e.g. – buildings) – Specified terranean relationship – With drain or vent exterior to foundation perimeter
Patent
1992-06-15
1993-03-23
Chilcot, Jr., Richard E.
Static structures (e.g., buildings)
Specified terranean relationship
With drain or vent exterior to foundation perimeter
52 16, 210164, 210165, 405 36, 405 51, E04B 1100
Patent
active
051952840
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.
REFERENCES:
patent: 4982533 (1991-01-01), Florence
patent: 5086594 (1992-02-01), Florence
patent: 5131196 (1992-07-01), Florence
Chilcot Jr. Richard E.
Crowley Richard P.
Owl 1990 Trust
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