(under subclass 289.1) Apparatus including a dish, plate, or tray.
SEE OR SEARCH THIS CLASS, SUBCLASS:
288.3+, for a dish, plate, slide, or tray used for measuring or testing.
297.5, for a dish, plate, or tray of general use involving the growth or propagation of a microorganism or enzyme, or for the synthesis of a composition or compound using a microorganism or enzyme in combination with a semipermeable membrane or filter.