414 / | HD | MATERIAL OR ARTICLE HANDLING |
788 | DF | APPARATUS FOR MOVING INTERSUPPORTING ARTICLES INTO, WITHIN, OR FROM FREESTANDING, ORDERLY LAYERED, OR MUTUALLY STABILIZING ORDERLY GROUP {4} |
788.1 | DF | .~ Stack forming apparatus {17} |
791.6 | DF | .~.~ Sequentially forms or adds completed layers {5} |
792.5 | .~.~.~ Offsets articles within parallel adjacent superposed rows |