US PATENT SUBCLASS 166 / 242.6
.~ Downhole coupling or connector

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.~ Downhole coupling or connector {1}
242.7  DF  .~.~> Telescopic

DEFINITION

Classification: 166/242.6

Downhole coupling or connector:

(under subclass 242.1) Conduit wall structure comprising a specific joining structure for two conduit sections.

(1) Note. Couplings for conduit sections are considered parts of the conduit wall structure.