2125670

Information

• Patent Grant
• 2125670

• References
• Source

• Patent Number

  2,125,670

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1938
  86 years ago

• CPC

  • H04L5/1407 - Artificial lines or their setting

• US Classifications

  • 178 - Telegraphy