Leaching chamber having a diagonally ribbed top

Details Leaching chamber having a diagonally ribbed top Leaching chamber having a diagonally ribbed top

2011-03-29

2011-03-29

Lagman, Frederick L (Department: 3672)

Hydraulic and earth engineering

Drainage or irrigation

Porous or apertured pipe, flume, or tileway

C405S046000, C405S045000, C405S043000

Reexamination Certificate

active

07914231

ABSTRACT:
A leaching chamber having opposing inwardly and upwardly running sidewalls extending toward a top portion is provided, wherein the leaching chamber includes a plurality of peak and valley corrugations formed by the sidewalls and extending over the top portion and a plurality of diagonally opposed ribs, the plurality of ribs extending diagonally across at least a portion of the top portion to form at least one X shaped pattern.

REFERENCES:
patent: 5669733 (1997-09-01), Daly et al.
patent: 5890838 (1999-04-01), Moore et al.
patent: 6602023 (2003-08-01), Crescenzi et al.
patent: 6698975 (2004-03-01), Benecke
patent: 7160059 (2007-01-01), Hedstrom et al.

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