US PATENT SUBCLASS 166 / 346
.~.~.~ Yieldable tubing

Current as of: June, 1999
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166 /   HD   WELLS

335  DF  SUBMERGED WELL {10}
338  DF  .~ Connection or disconnection of submerged members remotely controlled {6}
344  DF  .~.~ Connection to provide fluid flow path {3}
346.~.~.~ Yieldable tubing

DEFINITION

Classification: 166/346

Yieldable tubing:

(under subclass 344) Process, apparatus, or device wherein the well element includes a passage that is intended to change shape.

(1) Note. Included herein is a tube intended to flex within its elastic limit, as well as a tube intended to yield beyond its elastic limit.