Liquid purification or separation – Structural installation – Grated inlet surface drain
Reexamination Certificate
2007-09-21
2009-10-06
Upton, Christopher (Department: 1797)
Liquid purification or separation
Structural installation
Grated inlet surface drain
C210S170030, C210S474000, C404S004000
Reexamination Certificate
active
07597802
ABSTRACT:
A drain filtration apparatus including a catch basin and a filter housing. The catch basin includes a conduit extending upward from a drain opening in the catch basin, the upper vertical edge of the conduit being lower than the opening of the catch basin. The filter housing is removably securable to the upper portion of the conduit and includes a cover having an upper surface sufficient to cover the upper opening of the conduit as well as an elongated circumferential portion having openings which extend downwardly from the cover.
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Fedrick Michael F.
Sheldon Mak Rose & Anderson PC
Upton Christopher
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