2817208

Information

• Patent Grant
• 2817208

• References
• Source

• Patent Number

  2,817,208

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1957
  67 years ago

• CPC

  • G04F5/022 - Mechanic metronomes

• US Classifications

  • 084 - Music
  • 310 - Electrical generator or motor structure
  • 968 - Horology