US PATENT SUBCLASS 417 / 356
.~.~ Pump within armature

Current as of: June, 1999
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417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
355  DF  .~ Pump within rotary working member {1}
356.~.~ Pump within armature

DEFINITION

Classification: 417/356

(under subclass 355) Apparatus in which the rotating working member is the rotor of an electric motor.