IPC Subgroup
G10K 7/02 in which the sound-producing member is rotated manually or by a motor
Introduced: September 1968
Last revised: January 2006
Full Title
Sirens > in which the sound-producing member is rotated manually or by a motor
Classification Context
- Section:
- PHYSICS
- Class:
- MUSICAL INSTRUMENTS; ACOUSTICS
- Subclass:
- SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
1 direct subcode
Child Classifications
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- G10K 7/04 by an electric motor