3141368

Information

• Patent Grant
• 3141368

• References
• Source

• Patent Number

  3,141,368

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1964
  60 years ago

• CPC

  • G10C3/20 - involving the use of hydraulic, pneumatic, or electromagnetic means
  • G10C3/12 - Keyboards Keys
  • G10F5/02 - Actions

• US Classifications

  • 084 - Music
  • 340 - Communications: electrical
  • D17 - Musical instruments