1924720

Information

• Patent Grant
• 1924720

• References
• Source

• Patent Number

  1,924,720

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1933
  91 years ago

• CPC

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

• US Classifications

  • 084 - Music