| 209 / | HD | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
| 509 | DF | SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS {11} |
| 522 | DF | .~ Sorting bottles, ampoules, jars, drinking vessels, or like ceramic or glass containers {1} |
| 523 | DF | .~.~ Condition responsive means controls separating means {3} |
| 529 | | .~.~.~ Sensing position, shape, or presence of closure |