2580217

Information

• Patent Grant
• 2580217

• References
• Source

• Patent Number

  2,580,217

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1951
  73 years ago

• CPC

  • G10H5/08 - tones generated by heterodyning
  • H03L7/16 - Indirect frequency synthesis
  • Y10S84/04 - Chorus ensemble celeste
  • Y10S84/25 - Pedal clavier

• US Classifications

  • 084 - Music
  • 984 - Musical instruments