(under subclass 170.16) Subject matter wherein the atmospheric phenomenon or weather condition is due to the flow of electrons.
SEE OR SEARCH CLASS
324, Electricity: Measuring and Testing,
72+, for measuring electrical potential due to lightning (e.g., a voltmeter in combination with a lightning rod).
340, Communications: Electrical,
601+, for an electrical indicator which produces a humanly perceptible signal in response to the attainment of a predetermined meteorological condition, including lightning.
342, Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation), 26, for weather radar, per se.