.~.~ Including semipermeable membrane or filter {2}
297.5
.~.~.~ In combination with a dish, plate, or tray
DEFINITION
Classification: 435/297.5
In combination with a dish, plate, or tray:
(under subclass 297.1) Apparatus wherein the semipermeable membrane or filter is in combination with 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.
305.1+, 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 not in combination with a semipermeable membrane.