US PATENT SUBCLASS 277 / 333
.~.~ And inflating medium control

Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

322  DF  SEAL FOR WELL APPARATUS {8}
331  DF  .~ Inflatable packer {3}
333.~.~ And inflating medium control

DEFINITION

Classification: 277/333

And inflating medium control:

(under subclass 331) Inflatable packer and a device or mechanism to regulate the pressurized fluid.