3720776

Information

• Patent Grant
• 3720776

• References
• Source

• Patent Number

  3,720,776

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 years ago

• CPC

  • G10H1/40 - Rhythm
  • G10H2230/265 - Spint maracas, i.e. mimicking shells or gourds filled with seeds or dried beans, fitted with a handle

• US Classifications

  • 084 - Music
  • 984 - Musical instruments