US PATENT SUBCLASS 280 / 440
.~.~.~.~.~.~ Rubber

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

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
423.1  DF  .~.~ Semitrailer {7}
433  DF  .~.~.~ Fifth wheel only {2}
438.1  DF  .~.~.~.~ Movably mounted {2}
439  DF  .~.~.~.~.~ Resilient {2}
440.~.~.~.~.~.~ Rubber

DEFINITION

Classification: 280/440

(under subclass 439) Devices in which the resilient means consists at least in part of rubber or analogous material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

485, for resilient means of the rubber block type between vehicles of other than the semitrailer types which resists

articulation in a plurality of directions.