1817490

Information

• Patent Grant
• 1817490

• References
• Source

• Patent Number

  1,817,490

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1931
  93 years ago

• CPC

  • G04C13/105 - setting the time-indicating means

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 200 - Electricity: circuit makers and breakers
  • 968 - Horology