G09B15/005 - CPC Classification Index

ClassID:

195309 ⎘

G09B15/005 - CPC Classification

Classification description:

Teaching music; Boards or like means for providing an indication of chords; Non-electrically operated systems of the slide type

Sub-classes:

G09B15/006 » {with indication of the keys or strings to be played on instruments} 11

Recent Application in this class:

20220293002

Musical chord conversion aid device

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Systems and methods for aiding music theory comprehension

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Music theory casino fundamentals game

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Musical keyboard pattern card