(under subclass 279) Infusion apparatus, including means for gauging, signalling, indicating, testing, or facilitating the visual inspection, of, the beverage, the beverage material, or the existence or occurrence of some condition usually relating to the infusing operation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
341, and 342+, for cooking apparatus provided with signals, indicators, or observation means.
SEE OR SEARCH CLASS
73, Measuring and Testing, appropriate subclasses, for gauges, per se.
116, Signals and Indicators, appropriate subclasses. 220, Receptacles,
377, 602+ and 662 for an inspection window.
340, Communications: Electrical, appropriate subclass, for electrical signaling systems, especially
603+, for a signal automatically responsive to the condition of a fluent material, and subclasses 309.15+ for a time controlled signal.
368, Horology: Time Measuring Systems or Devices,
43, 72+, 94, 98+, 109, and 244+ for an horological device including an alarm.
