3247310

Information

• Patent Grant
• 3247310

• References
• Source

• Patent Number

  3,247,310

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1966
  59 years ago

• CPC

  • G10H1/38 - Chord
  • G10H2210/175 - Fillnote

• US Classifications

  • 084 - Music
  • 984 - Musical instruments