US PATENT SUBCLASS 166 / 380
.~.~ Conduit

Current as of: June, 1999
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166 /   HD   WELLS

244.1  DF  PROCESSES {39}
378  DF  .~ Assembling well part {2}
380.~.~ Conduit

DEFINITION

Classification: 166/380

Conduit:

(under subclass 378) Process wherein at least one of the elements is a well conduit or portion thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

77.51+, for above ground means facilitating the connection of tubing or rod sections.