Pipes and tubular conduits – Combined – With external support structure
Reexamination Certificate
2005-04-07
2009-02-03
Brinson, Patrick F (Department: 3754)
Pipes and tubular conduits
Combined
With external support structure
C138S108000, C138S110000, C138S159000, C248S049000
Reexamination Certificate
active
07484534
ABSTRACT:
A method and apparatus for encasing a carrier pipe using PVC sections. Top and bottom carrier pipe encasement shells are provided, with connectors utilized to connect the two shells together thereby encasing the carrier pipe. The connectors generally “number four-shaped” in cross section, having downward flanges for attaching to the bottom shells and a pair of pairs of upward flanges defining a pair of channels there-between for receiving the rims of the top shell there-between.
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Brinson Patrick F
Dykas, Shaver & Nipper, LLP
Nipper Stephen M.
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