2180130

Information

• Patent Grant
• 2180130

• References
• Source

• Patent Number

  2,180,130

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1939
  85 years ago

• CPC

  • G10D7/04 - Ocarinas

• US Classifications

  • 084 - Music
  • 984 - Musical instruments