2499785

Information

• Patent Grant
• 2499785

• References
• Source

• Patent Number

  2,499,785

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1950
  74 years ago

• CPC

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

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 174 - Electricity: conductors and insulators
  • 374 - Thermal measuring and testing