Class 015
Musical Instrument Products
Class 019
Non-Metallic Building Material Products
Class 020
Furniture Products
Loudspeaker type intercommunication equipment; telephone type intercommunication equipment; telephones, with selective device by buttons or rotary switch, desk type or wall type, for the purpose of intercommunicating between departments of a building or concern; paging systems; microphones, electronic amplifiers, loudspeakers and enclosures for same, for the purpose of public address or paging; calling systems, lights, bells, buzzers or annunciators (magnetic plungers) for the purpose of calling and/or leaving a call registered until it is attended; musical systems: phonographs, amplifiers, loudspeakers and enclosures for same, for the purpose of reproducing music or radio programs for domestic or commercial applications.
