US PATENT SUBCLASS 166 / 379
.~.~ Above ground parts


Current as of: June, 1999
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166 /   HD   WELLS

244.1  DF  PROCESSES {39}
378  DF  .~ Assembling well part {2}
379.~.~ Above ground parts


DEFINITION

Classification: 166/379

Above ground parts:

(under subclass 378) Process wherein the two elements, once

secured, are employed at or above ground level.

(1) Note. For purpose of this subclass, ground level is either (a) the level at which a person may work outside the casing of the well, this working space being provided either in the open or by a cellar or tunnel, or (b) the level at which a laterally running pipeline for discharging well fluid from or inserting treating fluid into the well is connected to the well casing.

(2) Note. The definition is considered to include also those means adjacent the defined level though actually below it.