1769830

Information

• Patent Grant
• 1769830

• References
• Source

• Patent Number

  1,769,830

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1930
  94 years ago

• CPC

  • G04C21/32 - giving indications at a number of places each at a different time

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 968 - Horology