US PATENT SUBCLASS 84 / 174
.~.~ Pianos

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
173  DF  .~ Stringed {10}
174.~.~ Pianos {19}
175  DF  .~.~.~> Duplex
176  DF  .~.~.~> Separable
177  DF  .~.~.~> Cases {6}
184  DF  .~.~.~> Frames, string plate and sounding boards
185  DF  .~.~.~> Frames and string plates
186.1  DF  .~.~.~> Frames {1}
187  DF  .~.~.~> String plates and sounding boards
188  DF  .~.~.~> String plates
189  DF  .~.~.~> Resonance devices {3}
197  DF  .~.~.~> Stringing {1}
199  DF  .~.~.~> Strings
200  DF  .~.~.~> Tuning devices {7}
209  DF  .~.~.~> Bridges {5}
216  DF  .~.~.~> Expression devices {5}
234  DF  .~.~.~> Harmonic dampers
235  DF  .~.~.~> Couplers
236  DF  .~.~.~> Hammers actions {3}
256  DF  .~.~.~> Bowed or violin pianos {1}
258  DF  .~.~.~> Plectrum

DEFINITION

Classification: 84/174

Miscellaneous patents showing pianos of unusual shape or claiming several features or not elsewhere classifiable.

(1) Note. Many features of a piano are common to other instruments and should be searched for in appropriate subclasses of automatic, stringed, or wind instruments, rigid vibrators, or general features in this class.

(2) Note. For pianos having bells or other sounding attachments see this class, subclasses 170, 171 and 172.