3000252

Information

• Patent Grant
• 3000252

• References
• Source

• Patent Number

  3,000,252

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1961
  63 years ago

• CPC

  • G10H5/08 - tones generated by heterodyning
  • Y10S84/01 - Plural speakers
  • Y10S84/04 - Chorus ensemble celeste

• US Classifications

  • 084 - Music
  • 984 - Musical instruments