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Entertainment & Recreation
Class Information
Number:
84/381
Name:
Music
>
Instruments
>
Wind
>
Wood winds
> Duplex
Description:
Instruments having two tubes to be blown and fingered simultaneously.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
6914179
Flutes with multiple chambers that share compound bisected toneholes
Jul. 5, 2005
6765138
Register system for contrabassoon
Jul. 20, 2004
6259010
Piccolo
Jul. 10, 2001
4770080
Panpipe having tone setting controls
Sep. 13, 1988
4341146
Combined tenor and soprano saxophone
Jul. 27, 1982
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