| 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} |
| 791.3 | DF | .~.~ Articles inverted in adjacent levels or layers {1} |
| 791.4 | | .~.~.~ Layers |