2162974

Information

• Patent Grant
• 2162974

• References
• Source

• Patent Number

  2,162,974

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1939
  85 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