US PATENT SUBCLASS 417 / 405
.~.~ Rotary motor

Current as of: June, 1999
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417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
375  DF  .~ Fluid motor {9}
405.~.~ Rotary motor {1}
406  DF  .~.~.~> Unitary pump and motor rotors {3}

DEFINITION

Classification: 417/405

(under subclass 375) Apparatus in which the movable working member partakes of a unidirectional rotary motion about a fixed axis.

(1) Note. The fluid motor under this definition may be of the rotary expansible chamber type as provided for in Class 418, Rotary Expansible Chamber Devices, or of the kinetic type as provided for in Class 415, Rotary Kinetic Fluid Motors or Pumps.