Recessed restrictor plate
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United States of America Patent
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-
Jan 27, 2015
Grant Date -
Nov 22, 2012
app pub date -
Nov 14, 2011
filing date -
Nov 14, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A restrictor plate assembly 10 is disclosed for restricting particulate flow into a curb box 12, through a mouth 14 thereof. The assembly 10 includes a restrictor plate 16 adapted for being secured at an inside surface 18 of the curb box mouth 14. A proximate clamp structure 20 is positioned at a proximate end 22 the restrictor plate 16 and a distal clamp structure 24 is positioned at a distal end 26 of the restrictor plate 16 that is width-wise spaced from the proximate end 26 of the restrictor plate. The proximate and distal clamp structures 20, 24 are adapted for securing the restrictor plate 16 within the curb box 12 without gripping the inside surface 18 or an outside surface 28 of the curb box mouth 14.
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