US PATENT SUBCLASS 414 / 535
.~.~.~.~ Vertically shiftable


Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

467  DF  SELF-LOADING OR UNLOADING VEHICLES {8}
507  DF  .~ Conveyor {12}
529  DF  .~.~ Load-engaging roller or rollerway {4}
532  DF  .~.~.~ Shiftably or removably supported on vehicle {2}
535.~.~.~.~ Vertically shiftable


DEFINITION

Classification: 414/535

Vertically shiftable:

(under subclass 532) Apparatus wherein said roller can be raised and lowered.