US PATENT SUBCLASS 166 / 242.7
.~.~ Telescopic

Current as of: June, 1999
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166 /   HD   WELLS

242.1  DF  CONDUIT WALL OR SPECIFIC CONDUIT END STRUCTURE {7}
242.6  DF  .~ Downhole coupling or connector {1}
242.7.~.~ Telescopic

DEFINITION

Classification: 166/242.7

Telescopic:

(under subclass 242.6) Coupling for conduit wall structure wherein the coupling allows relative axial movement between two conduit wall sections.