US PATENT SUBCLASS 84 / 454
.~ Tuning devices

Current as of: June, 1999
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84 /   HD   MUSIC

453  DF  ACCESSORIES {6}
454.~ Tuning devices {4}
455  DF  .~.~> Strings
456  DF  .~.~> Pipes and reeds
457  DF  .~.~> Forks
458  DF  .~.~> Tools and machines {2}

DEFINITION

Classification: 84/454

Miscellaneous devices.

(1) Note. This subclass and the subclasses indented under it include devices temporarily used in tuning, usually not connected to the instrument to be tuned. Some of them furnish a note of standard pitch, others are merely tools.