3868881

Information

• Patent Grant
• 3868881

• References
• Source

• Patent Number

  3,868,881

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1975
  49 years ago

• CPC

  • G10D7/126 - with movable mouthpiece

• US Classifications

  • 084 - Music
  • 984 - Musical instruments