3030848

Information

• Patent Grant
• 3030848

• References
• Source

• Patent Number

  3,030,848

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1962
  62 years ago

• CPC

  • G10C3/28 - Transposing devices
  • G10H1/20 - for transposition

• US Classifications

  • 084 - Music
  • 200 - Electricity: circuit makers and breakers
  • 984 - Musical instruments