2491798

Information

• Patent Grant
• 2491798

• References
• Source

• Patent Number

  2,491,798

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1949
  75 years ago

• CPC

  • H02H5/06 - in oil-filled electric apparatus

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 060 - Power plants
  • 200 - Electricity: circuit makers and breakers
  • 337 - Electricity: electrothermally or thermally actuated switches