3715949

Information

• Patent Grant
• 3715949

• References
• Source

• Patent Number

  3,715,949

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1973
  51 years ago

• CPC

  • G10B3/08 - Pipes
  • Y10T137/2256 - And enlarged interaction chamber

• US Classifications

  • 084 - Music
  • 137 - Fluid handling
  • 984 - Musical instruments