2392396

Information

• Patent Grant
• 2392396

• References
• Source

• Patent Number

  2,392,396

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1946
  79 years ago

• CPC

  • H04L5/1407 - Artificial lines or their setting

• US Classifications

  • 178 - Telegraphy
  • 324 - Electricity: measuring and testing