3332309

Information

• Patent Grant
• 3332309

• References
• Source

• Patent Number

  3,332,309

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1967
  57 years ago

• CPC

  • G10C3/106 - the axis of the pins being perpendicular to the string

• US Classifications

  • 084 - Music