US PATENT SUBCLASS 251 / 149.4
.~.~.~ Joint includes screw thimble


Current as of: June, 1999
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251 /   HD   VALVES AND VALVE ACTUATION

142  DF  WITH CORRELATED FLOW PATH {9}
149  DF  .~ Valve operated by joining flow path sections {1}
149.1  DF  .~.~ Joining motion includes linear valve operating component {5}
149.4.~.~.~ Joint includes screw thimble


DEFINITION

Classification: 251/149.4

(under subclass 149.1) Subject matter wherein the means for joining the flow path sections includes a screw thimble or equivalent structure, the act of turning the screw thimble in the making of the joint resulting in the linear component of motion.

SEE OR SEARCH CLASS

285, Pipe Joints or Couplings,

354, and 386+ for screw thimble type pipe joints.