2744979

Information

• Patent Grant
• 2744979

• References
• Source

• Patent Number

  2,744,979

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1956
  68 years ago

• CPC

  • H01H71/40 - Combined electrothermal and electromagnetic mechanisms
  • H01H71/161 - with helically or spirally wound bimetal
  • H01H71/164 - Heating elements
  • H01H71/74 - Means for adjusting the conditions under which the device will function to provide protection
  • Y10T74/11 - Tripping mechanism

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 074 - Machine element or mechanism
  • 200 - Electricity: circuit makers and breakers
  • 336 - Inductor devices
  • 337 - Electricity: electrothermally or thermally actuated switches