Description
Class G10K : SOUND-PRODUCING DEVICES
Subclass 1/068: Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs (combinations with clocks or watches G04B, G04C; multi-toned musical instruments G10D 13/08; automatic carillons G10F 1/1) the resonating device having the shape of a bell, plate, rod, or tube (bells for towers G10K 1/28) hydraulically operated; pneumatically operated