US PATENT SUBCLASS 280 / 753
.~.~.~.~ Positionable by automatic actuator

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
727  DF  .~ Attachment {22}
748  DF  .~.~ Passenger safety guards {3}
751  DF  .~.~.~ Padded or cushioned member {2}
753.~.~.~.~ Positionable by automatic actuator

DEFINITION

Classification: 280/753

(under subclass 751) Devices which move from an inoperative position to an operative position upon the occurrence of a condition, that condition usually being rapid deceleration.