2022051

Information

• Patent Grant
• 2022051

• References
• Source

• Patent Number

  2,022,051

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1935
  89 years ago

• CPC

  • H04L25/40 - Transmitting circuits Receiving circuits
  • H04L25/44 - using relay distributors

• US Classifications

  • 370 - Multiplex communications
  • 178 - Telegraphy