3551579

Information

• Patent Grant
• 3551579

• References
• Source

• Patent Number

  3,551,579

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  54 years ago

• CPC

  • G10H1/0008 - Associated control or indicating means
  • G09B15/04 - with sound emitters
  • G10H5/04 - with semiconductor devices as active elements
  • G10H2220/236 - representing an active musical staff or tablature

• US Classifications

  • 084 - Music
  • 340 - Communications: electrical
  • 984 - Musical instruments