3417290

Information

• Patent Grant
• 3417290

• References
• Source

• Patent Number

  3,417,290

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1968
  56 years ago

• CPC

  • H02H7/0822 - Integrated protection, motor control centres
  • H02P25/32 - using discharge tubes

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 318 - Electricity: motive power systems