US PATENT SUBCLASS 244 / 80
.~.~ Gravity actuated

Current as of: June, 1999
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244 /   HD   AERONAUTICS

75 R  DF  AIRCRAFT CONTROL {8}
76 R  DF  .~ Automatic {10}
80.~.~ Gravity actuated

DEFINITION

Classification: 244/80

(under subclass 76) Systems for automatically controlling aircraft, operated in response to the action of a pendulous weight or analogous device.