(under subclass 200) Devices having means to sense warmth or coldness, to indicate or cause the indicator to move, or other means including warmth or coldness sensing means to cause the indicator to move.
SEE OR SEARCH THIS CLASS, SUBCLASS:
101, for thermal means to actuate an alarm.
205, for temperature sensing which uses the sense of touch.
207, for a chemical reaction caused by heat.
SEE OR SEARCH CLASS
246, Railway Switches and Signals,
169, for hot bearing detectors of the class type. 277, Seal for a Joint or Juncture, for a generic sealing means or process,
319, for a seal combined with a fluid temperature indicator, sampler, or inspection feature.
374, Thermal Measuring and Testing,
100+, for quantitative indicating thermometers.
426, Food or Edible Material: Processes, Compositions, and Products,
88, for food temperature indicator devices of the class types.
