2657260

Information

• Patent Grant
• 2657260

• References
• Source

• Patent Number

  2,657,260

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1953
  71 years ago

• CPC

  • H04L17/06 - Contact operating means

• US Classifications

  • 178 - Telegraphy
  • 200 - Electricity: circuit makers and breakers