(under subclass 241) Devices wherein one or more transparent elongated structures, e.g., rods, fibers, or pipes, are used to transmit light rays for indicating information.
SEE OR SEARCH THIS CLASS, SUBCLASS:
202, for a visual light signal.
SEE OR SEARCH CLASS
40, Card, Picture, or Sign Exhibiting,
502, and 541+ for illuminated exhibitors and signs using pipettes.
340, Communications: Electrical, 815.4+, particularly subclasses 815.42+ for light piping used in electrically controlled visual signal indicators.
385, Optical Waveguides, appropriate subclasses for light transmitting rods, fibers, or pipes.
