3012459

Information

• Patent Grant
• 3012459

• References
• Source

• Patent Number

  3,012,459

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1961
  63 years ago

• CPC

  • G10C3/163 - the actions being mounted in a plane below the keyboard

• US Classifications

  • 084 - Music