US PATENT SUBCLASS 280 / 428
.~.~.~.~ Interrelated brake and coupling


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
423.1  DF  .~.~ Semitrailer {7}
427  DF  .~.~.~ Interrelated operation of coupling, landing gear, and brake {3}
428.~.~.~.~ Interrelated brake and coupling


DEFINITION

Classification: 280/428

(under subclass 427) Devices including interdependent operation of the trailer brakes and coupling mechanism.