.~.~.~ With significant display or analytical device
DEFINITION
Classification: 204/407
With significant display or analytical device:
(under subclass 400) Apparatus in which the electrical signal produced by the measuring electrode is claimed as driving a device which produces a visible or audible signal or an analytical device.
(1) Note. This subclass is intended to provide for display devices of claimed structure, i.e., with indicating scales, particular arrangements of display lights, etc., and is not intended to provide for a nominal display means.
SEE OR SEARCH CLASS
324, Electricity: Measuring and Testing, appropriate subclasses for apparatus for testing an electrical property or condition even though the results of the test may be used to indicate some other physical or chemical property or condition.
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,
50, for analyzers or structured indicators for quantitative or qualitative chemical analysis.
