2869669

Information

• Patent Grant
• 2869669

• References
• Source

• Patent Number

  2,869,669

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1959
  66 years ago

• CPC

  • F16L59/08 - Means for preventing radiation
  • G10B3/18 - Tremolo-producing devices
  • Y10S84/04 - Chorus ensemble celeste

• US Classifications

  • 181 - Acoustics
  • 084 - Music
  • 984 - Musical instruments