(under subclass 71.1) Subject matter where the measurement means includes means for counting particles.
(1) Note. For classification in this subclass there should be recited significant details in regard to handling or preparing the particles to be counted.
SEE OR SEARCH CLASS
377, Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems,
10+, for particle counting, per se, and see also the search notes thereunder.