2172684

Information

• Patent Grant
• 2172684

• References
• Source

• Patent Number

  2,172,684

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1939
  85 years ago

• CPC

  • H01H73/62 - having only electrothermal release

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches