1508205

Information

• Patent Grant
• 1508205

• References
• Source

• Patent Number

  1,508,205

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1924
  100 years ago

• CPC

  • G04C13/065 - controlled by a pendulum or a balance
  • G04C13/10 - by electromechanical step advancing mechanisms

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology