US PATENT SUBCLASS 239 / 541
.~ Axially movable unit (reciprocating)

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

537  DF  TERMINAL MEMBER AND VALVE PART MOVE AS UNIT {2}
541.~ Axially movable unit (reciprocating)

DEFINITION

Classification: 239/541

(under subclass 537) Apparatus in which the terminal member is constrained to move in a back and forth manner in the direction of its major axis.