2557424

Information

• Patent Grant
• 2557424

• References
• Source

• Patent Number

  2,557,424

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1951
  74 years ago

• CPC

  • H01H83/08 - operated by reversal of dc

• US Classifications

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