US PATENT SUBCLASS 366 / 267
.~.~ Piston

Current as of: June, 1999
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366 /   HD   AGITATING

241  DF  STIRRER WITHIN STATIONARY MIXING CHAMBER {10}
262  DF  .~ Pump type {4}
267.~.~ Piston {2}
268  DF  .~.~.~> Plural
269  DF  .~.~.~> Inlet and outlet at same end of flow path

DEFINITION

Classification: 366/267

Piston:

(under subclass 262) Subject matter wherein the pump is a piston that causes material to move.