3870985

Information

• Patent Grant
• 3870985

• References
• Source

• Patent Number

  3,870,985

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • H01H37/20 - by varying the position of the thermal element in relation to switch base or casing
  • H01H37/14 - by anticipatory electric heater

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches