3725560

Information

• Patent Grant
• 3725560

• References
• Source

• Patent Number

  3,725,560

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  52 years ago

• CPC

  • G10H1/386 - One-finger or one-key chord systems
  • Y10S84/22 - Chord organs
  • Y10S84/23 - Electronic gates for tones

• US Classifications

  • 084 - Music
  • 984 - Musical instruments