2458954

Information

• Patent Grant
• 2458954

• References
• Source

• Patent Number

  2,458,954

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1949
  75 years ago

• CPC

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

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 315 - Electric lamp and discharge devices: systems
  • 318 - Electricity: motive power systems
  • 337 - Electricity: electrothermally or thermally actuated switches