Valves and valve actuation – With correlated flow path – Pipe coupling or union
Reexamination Certificate
2004-05-28
2008-10-14
Fristoe, Jr., John K. (Department: 3753)
Valves and valve actuation
With correlated flow path
Pipe coupling or union
C251S293000, C285S312000
Reexamination Certificate
active
07434781
ABSTRACT:
A water flushing system for a pressurized subterranean water distribution system includes an inlet conduit for receiving pressurized water from the subterranean water distribution system; an outlet fluidly connected to the inlet conduit for discharging pressurized water in the inlet conduit downwardly towards a drain; and a control valve for controlling the flow of pressurized water in the inlet conduit. The water flushing system further includes one or more of the following features: a freeze protection assembly, a detachable coupling system, a dechlorination system, and a backflow prevention system.
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Photographs (7) taken by Kristen L. Wood in Apr. 2007 in Lousiana during
Goslin David
Taylor Thomas M.
Fristoe Jr. John K.
Senterfitt Akerman
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