(under the class definition) Subject matter which includes an electrophoresis cell for containing a fluid to be tested, generally means transmitting light through the fluid, and examination means to indicate or note the modification of the light due to the movement of particles suspended in the test fluid from the refractive index, the interference phenomenon, the absorption of light within the various layers of the fluid in the cell, or the Schlieren patterns.
SEE OR SEARCH THIS CLASS, SUBCLASS:
128+, for refraction of light tests of material under examination where electrophoresis is not involved.
129, for Schlieren test apparatus not involving
electrophoresis.
345+, for interference apparatus testing the refraction of light not involving electrophoresis, per se, in the claims.
SEE OR SEARCH CLASS
204, Chemistry: Electrical and Wave Energy, 450+, for processes and subclasses 600+ for apparatus involving electrophoresis or electro-osmosis as defined therein, including the combination of electrophoresis or electro-osmosis with optical measuring or testing. Also, see the search class note to Class 356 in Class 204, subclass 450.
