3871261

Information

• Patent Grant
• 3871261

• References
• Source

• Patent Number

  3,871,261

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  49 years ago

• CPC

  • G10H1/20 - for transposition
  • G10H1/44 - Tuning means
  • G10H2210/471 - Natural or just intonation scales

• US Classifications

  • 084 - Music
  • 984 - Musical instruments