3572205

Information

• Patent Grant
• 3572205

• References
• Source

• Patent Number

  3,572,205

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1971
  54 years ago

• CPC

  • G10G1/02 - Chord or note indicators, fixed or adjustable, for keyboard of fingerboards
  • G09B15/007 - using disc-shaped boards

• US Classifications

  • 084 - Music
  • 984 - Musical instruments