2822422

Information

• Patent Grant
• 2822422

• References
• Source

• Patent Number

  2,822,422

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1958
  67 years ago

• CPC

  • H04L25/245 - for start-stop signals

• US Classifications

  • 178 - Telegraphy
  • 370 - Multiplex communications