Liquid purification or separation – Structural installation – Grated inlet surface drain
Reexamination Certificate
2006-07-11
2006-07-11
Upton, Christopher (Department: 1724)
Liquid purification or separation
Structural installation
Grated inlet surface drain
C210S315000, C210S474000, C210S489000, C210S497100, C404S004000
Reexamination Certificate
active
07074326
ABSTRACT:
A curb-and-grate inlet filter is provided for temporarily covering, during nearby construction activities, the curb-and-grate inlet of a storm drainage system so as to filter from storm water runoff silt and debris attendant such construction. The curb-and-grate inlet filter includes a body having a first and a second portion formed of interconnected coils. The filter also includes a filter medium that may enclose the body. The filter medium filters silt and debris from water passing through the filter and into the curb-and-grate inlet.
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Georgia Soil and Water Conservation Commission; “Curb Inlet Filter”;Field Manual for Erosion and Sediment Control in Georgia;Third Edition, pp. 86-87 (1997).
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Silt-Saver, Inc.
Upton Christopher
Womble Carlyle Sandridge & Rice PLLC
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