3154993

Information

• Patent Grant
• 3154993

• References
• Source

• Patent Number

  3,154,993

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1964
  60 years ago

• CPC

  • G10C3/163 - the actions being mounted in a plane below the keyboard
  • Y10T403/4309 - Interfitted crossing rods
  • Y10T403/4327 - Reversely bent portion

• US Classifications

  • 084 - Music
  • 403 - Joints and connections