1962898

Information

• Patent Grant
• 1962898

• References
• Source

• Patent Number

  1,962,898

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1934
  90 years ago

• CPC

  • H01H47/14 - for differential operation of the relay

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 307 - Electrical transmission or interconnection systems