3817027

Information

• Patent Grant
• 3817027

• References
• Source

• Patent Number

  3,817,027

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • G04F5/022 - Mechanic metronomes
  • G04F5/02 - Metronomes

• US Classifications

  • 084 - Music
  • 968 - Horology