2214553

Information

• Patent Grant
• 2214553

• References
• Source

• Patent Number

  2,214,553

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1940
  84 years ago

• CPC

  • G10D7/04 - Ocarinas

• US Classifications

  • 084 - Music
  • 984 - Musical instruments