1870304

Information

• Patent Grant
• 1870304

• References
• Source

• Patent Number

  1,870,304

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1932
  93 years ago

• CPC

  • B60Q1/346 - with automatic actuation
  • G04C21/22 - put into action by the arbor of a mechanical alarm work
  • H01H43/103 - stopping automatically after one preselected time interval

• US Classifications

  • 200 - Electricity: circuit makers and breakers