3115803

Information

• Patent Grant
• 3115803

• References
• Source

• Patent Number

  3,115,803

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1963
  60 years ago

• CPC

  • G10H1/0008 - Associated control or indicating means
  • G09B15/04 - with sound emitters
  • G10H2220/236 - representing an active musical staff or tablature
  • Y10S84/07 - Electric key switch structure

• US Classifications

  • 084 - Music
  • 984 - Musical instruments