2421292

Information

• Patent Grant
• 2421292

• References
• Source

• Patent Number

  2,421,292

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1947
  77 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
  • 174 - Electricity: conductors and insulators
  • 200 - Electricity: circuit makers and breakers