Music – Accessories – Exercising devices
Reexamination Certificate
2007-05-24
2010-10-12
Qin, Jianchun (Department: 2832)
Music
Accessories
Exercising devices
C084S398000
Reexamination Certificate
active
07812238
ABSTRACT:
A device for mouthpiece exercises for learning to play a woodwind instrument includes a mouthpiece of a woodwind instrument and a damper which can be placed onto the mouthpiece. The damper has a tubular section at its end facing the mouthpiece and can be inserted in a sealing manner into the mouthpiece opening. The damper is configured for sound absorption in the interior.
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patent: 6085864 (2000-07-01), Copeland et al.
patent: 6401860 (2002-06-01), Ellington et al.
patent: 889 500 (1982-01-01), None
patent: 43 04 904 (1993-08-01), None
patent: 197 22 045 (1998-07-01), None
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