3305620

Information

• Patent Grant
• 3305620

• References
• Source

• Patent Number

  3,305,620

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1967
  57 years ago

• CPC

  • G10B3/10 - Actions
  • G10H1/38 - Chord
  • G10H2210/601 - Chord diminished
  • G10H2210/621 - Chord seventh dominant
  • Y10S84/22 - Chord organs

• US Classifications

  • 084 - Music
  • 984 - Musical instruments