2485778

Information

• Patent Grant
• 2485778

• References
• Source

• Patent Number

  2,485,778

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1949
  75 years ago

• CPC

  • H01H29/30 - with level of surface of contact liquid displaced by expansion or evaporation thereof

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches
  • 200 - Electricity: circuit makers and breakers
  • 363 - Electric power conversion systems