Liquid purification or separation – Structural installation – Grated inlet surface drain
Reexamination Certificate
2006-02-14
2006-02-14
Upton, Christopher (Department: 1724)
Liquid purification or separation
Structural installation
Grated inlet surface drain
C210S474000, C404S004000
Reexamination Certificate
active
06998039
ABSTRACT:
A removable filter for in ground catch basins. The present invention includes a catch basin, a top grate, a filter and an attachment of the filter to the top grate. The filter is held in place both during filtration and filter removal by the filter's attachment to the grate.
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Harris John F.
Page Ardle E.
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