US PATENT SUBCLASS 60 / 631
.~.~ Including means selecting direction of engine rotation

Current as of: June, 1999
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60 /   HD   POWER PLANTS

625  DF  INTERNAL COMBUSTION ENGINE WITH STRUCTURE ROTATING OR STARTING IT BY PRESSURE FLUID {2}
630  DF  .~ Having manual selector of engine valve settings or of fluid flow branches {1}
631.~.~ Including means selecting direction of engine rotation

DEFINITION

Classification: 60/631

(under subclass 630) Apparatus, in which the valve means can be selectively set to provide for clockwise or counterclockwise rotation of the motor shaft.