Pipe joints or couplings – Packed – Screw thimble
Reexamination Certificate
2005-03-01
2005-03-01
Hewitt, James M. (Department: 3679)
Pipe joints or couplings
Packed
Screw thimble
C285S148190, C285S332000, C285S423000
Reexamination Certificate
active
06860524
ABSTRACT:
A one-piece polyolefin connector or polymeric blend connector with the characteristics of a polymer having the specific density of between 0.90 and 0.96 g/cc capitalizing on the aspect ratio of the connector and angularity of the sealing surface in combination for use in applications less physically demanding than those for use with crosslinked polyethylene material.
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Buckingham Doolittle & Burroughs LLP
Hewitt James M.
Wagner Louis F.
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