1404255

Information

• Patent Grant
• 1404255

• References
• Source

• Patent Number

  1,404,255

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1922
  103 years ago

• CPC

  • H02P1/023 - Protection against sparking of contacts or sticking together

• US Classifications

  • 388 - Electricity: motor control systems
  • 200 - Electricity: circuit makers and breakers