E - Fixed Constructions – 03 – F
Patent
E - Fixed Constructions
03
F
E03F 3/02 (2006.01) E02D 29/12 (2006.01) E02D 29/14 (2006.01) E03F 1/00 (2006.01)
Patent
CA 2138386
A drywell cover to cover a drywell and a drywell system employing the drywell and cover wherein the drywell cover com- prises 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.
Fetherstonhaugh & Co.
Owl 1990 Trust
LandOfFree
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