2743398

Information

• Patent Grant
• 2743398

• References
• Source

• Patent Number

  2,743,398

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1956
  68 years ago

• CPC

  • H04L21/04 - at the receiving end

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 400 - Typewriting machines