3412197

Information

• Patent Grant
• 3412197

• References
• Source

• Patent Number

  3,412,197

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1968
  56 years ago

• CPC

  • G10H3/09 - using tapes or wires
  • G04F5/02 - Metronomes

• US Classifications

  • 084 - Music
  • 340 - Communications: electrical
  • 369 - Dynamic information storage or retrieval
  • 446 - Amusement devices: toys
  • 968 - Horology
  • 984 - Musical instruments