LARYNX, TRACHEA, TRACHEOBRONCHIAL PROSTHESIS OR COMBINATIONTHEREOF:
(under the class definition) Subject matter manufactured or adapted to replace or assist either: (a) the portion of a human body respiratory tract containing the vocal cords, i.e., a larynx; or (b) the portion of a human body respiratory tract descending from the larynx to the bronchi, i.e., a trachea; or (c) the portion of a human body respiratory tract leading from the lower end of the trachea to the lung, i.e., a bronchi; or (d) any combination of a larynx, trachea or bronchi.
(1) Note. An artificial larynx is usually an electromechanical device which when activated, e.g., by motions of the neck in speech, simulates laryngeal activity thus enabling a laryngectomized person to converse.
SEE OR SEARCH CLASS
84, Music,
375, for imitation trumpets, jews' harps, and reed-horns of variable pitch.
116, Signals and Indicators,
137+, for horns, whistles and compressional wave generators.
181, Acoustics, pertinent subclasses for sound amplifying and transmitting means and methods. 381, Electrical Audio Signal Processing Systems and Devices,
70, for an electrical artificial larynx.
446, Amusement Devices: Toys,
188+, for a toy having means to emit sound simulating a voice.
472, Amusement Devices, particularly
64, for an illusion caused by sound imitation or effect.
