US PATENT SUBCLASS 251 / 287
.~.~ Stop element on head

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

284  DF  LIMIT STOP {2}
286  DF  .~ Rotary valve {2}
287.~.~ Stop element on head

DEFINITION

Classification: 251/287

(under subclass 286) Devices in which one of the stop elements is on the head or is an integral part thereof.