3013139

Information

• Patent Grant
• 3013139

• References
• Source

• Patent Number

  3,013,139

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1961
  63 years ago

• CPC

  • H05B1/0211 - using the expansion of an electric conductive liquid
  • H01H1/08 - wetted with mercury
  • H01H29/30 - with level of surface of contact liquid displaced by expansion or evaporation thereof
  • H01H37/36 - actuated due to expansion or contraction of a fluid with or without vaporisation

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches
  • 200 - Electricity: circuit makers and breakers