Liquid purification or separation – Structural installation – Geographic
Reexamination Certificate
2007-11-27
2007-11-27
Upton, Christopher (Department: 1724)
Liquid purification or separation
Structural installation
Geographic
C210S532200, C405S043000, C405S046000
Reexamination Certificate
active
11510918
ABSTRACT:
A wastewater treatment and dispersal system wherein wastewater will stand until it has a BOD of less than about 125 mg/l. The dispersal field may comprise inner and outer conduits, an inner conduit and a permeable outer cover, or a trough and an enclosure.
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Rowell Lewis S.
Upton Christopher
Womble Carlyle Sandridge & Rice PLLC
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