2143074

Information

• Patent Grant
• 2143074

• References
• Source

• Patent Number

  2,143,074

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1939
  86 years ago

• CPC

  • G04C3/062 - the balance controlling contacts, the gear-train or several gear-trains being driven electro-magnetically thereby

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 310 - Electrical generator or motor structure
  • 968 - Horology