US PATENT SUBCLASS 166 / 88.4
.~.~ With hydraulic conduit or line extending through outer member

Current as of: June, 1999
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166 /   HD   WELLS

75.11  DF  ABOVE GROUND APPARATUS {25}
88.1  DF  .~ Inner member anchor or seal with lateral port {3}
88.4.~.~ With hydraulic conduit or line extending through outer member

DEFINITION

Classification: 166/88.4

With hydraulic conduit or line extending through outer member:

(under subclass 88.1) Inner member anchor with lateral port wherein the casing includes an opening for a pipe or tube extending therethrough.