2718569

Information

• Patent Grant
• 2718569

• References
• Source

• Patent Number

  2,718,569

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1955
  69 years ago

• CPC

  • H01H71/142 - actuated due to change of magnetic permeability

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 200 - Electricity: circuit makers and breakers
  • 361 - Electricity: electrical systems and devices