3611860

Information

• Patent Grant
• 3611860

• References
• Source

• Patent Number

  3,611,860

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1971
  54 years ago

• CPC

  • G10D9/026 - Cupped mouthpieces

• US Classifications

  • 084 - Music
  • 984 - Musical instruments