US PATENT SUBCLASS 74 / 5.43
.~.~.~ By jet

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

5 R  DF  GYROSCOPES {10}
5.4  DF  .~ Gyroscope control {2}
5.41  DF  .~.~ Erecting {6}
5.43.~.~.~ By jet

DEFINITION

Classification: 74/5.43

(under subclass 5.41) Devices wherein the force of a fluid jet is used for erection.