US PATENT SUBCLASS 84 / 219
.~.~.~.~ Pianissimo devices

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
173  DF  .~ Stringed {10}
174  DF  .~.~ Pianos {19}
216  DF  .~.~.~ Expression devices {5}
219.~.~.~.~ Pianissimo devices {2}
220  DF  .~.~.~.~.~> Curtain type
221  DF  .~.~.~.~.~> Hammer stroke shortened {1}

DEFINITION

Classification: 84/219

Devices to soften the blow of the hammer or produce a softer sound. They may render the piano silent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

35+,