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Class Information
Number: 84/193
Name: Music > Instruments > Stringed > Pianos > Resonance devices > Sounding boards > Materials
Description: Sounding-boards made of unusual material, especially metal.

Patents under this class:

Patent Number Title Of Patent Date Issued
7342161 Tonally improved hollow body stringed instrument Mar. 11, 2008
6822147 Arrangement of a sound hole and construction of a sound board in an acoustic guitar Nov. 23, 2004
6107552 Soundboards and stringed instruments Aug. 22, 2000
6087568 Acoustically tailored, composite material stringed instrument Jul. 11, 2000
5469769 Soundboard for musical instruments Nov. 28, 1995
5333527 Compression molded composite guitar soundboard Aug. 2, 1994
5072642 Reinforced sound board used in musical instrument Dec. 17, 1991
4969381 Composite-materials acoustic stringed musical instrument Nov. 13, 1990
4364990 Construction material for stringed musical instruments Dec. 21, 1982
4348933 Soundboard assembly for pianos or the like Sep. 14, 1982
4337682 Piano soundboard Jul. 6, 1982

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