US PATENT SUBCLASS 166 / 361
.~.~ Pipe cutting means

Current as of: June, 1999
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166 /   HD   WELLS

335  DF  SUBMERGED WELL {10}
351  DF  .~ Means removably connected to permanent well structure {7}
361.~.~ Pipe cutting means

DEFINITION

Classification: 166/361

Pipe cutting means:

(under subclass 351) Process or apparatus including means to subdivide one portion of the well tubing from another portion.