1881460

Information

• Patent Grant
• 1881460

• References
• Source

• Patent Number

  1,881,460

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1932
  92 years ago

• CPC

  • H01H47/14 - for differential operation of the relay

• US Classifications

  • 361 - Electricity: electrical systems and devices