(under subclass 244) Subject matter wherein the holder has side walls for restraining the fluid to be tested.
(1) Note. The holder may be completely enclosed as to contain gaseous fluids. The holder may be of the flow-through type as by having an input and output orifice.
SEE OR SEARCH THIS CLASS, SUBCLASS:
239.6+, for detection or examination of a specimen in a transparent or translucent container.
427, for the inspection of container contents in motion.
441+, for liquid particle suspension testing, such as turbidity. SEE OR SEARCH CLASS
73, Measuring and Testing,
61.41+, for strip cups.
206, Special Receptacle or Package, appropriate subclasses for receptacles of general use which are not restricted to use in optical testing of materials.
250, Radiant Energy,
428+, for fluent material containers, supports or transfer means for subjecting the material to radiation.
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,
100, and 102 for laboratory apparatus elements which include fluid containers.
