US PATENT SUBCLASS 251 / 256
.~.~.~.~ Encased


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

213  DF  MECHANICAL MOVEMENT ACTUATOR {10}
251  DF  .~ Cam {3}
252  DF  .~.~ Co-axial or parallel axes {1}
253  DF  .~.~.~ Biased {2}
256.~.~.~.~ Encased


DEFINITION

Classification: 251/256

(under subclass 253) Subject matter wherein the cam means is housed by the valve body or bonnet.