(under subclass 279) Infusion apparatus consisting of a reusable pervious enclosure for the infusible material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
295, for infusion apparatus using disposable containers.
320, for infusing receptacles, per se, combined with a float.
SEE OR SEARCH CLASS
206, Special Receptacle or Package,
.5, for nonbeverage infusible material, containing receptacles or packages. 210, Liquid Purification or Separation,
282, for particulate material separators with a movable cartridge; subclasses 314+ for spaced filters, and subclasses 323.1+ for plural distinct filters of more general utility.
426, Food or Edible Material: Processes, Compositions, and Products,
77+, for the combination of an infusion receptacle and a food material, also tea bags, per se.
