3488664

Information

• Patent Grant
• 3488664

• References
• Source

• Patent Number

  3,488,664

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1970
  55 years ago

• CPC

  • H04L21/04 - at the receiving end

• US Classifications

  • 347 - Incremental printing of symbolic information
  • 101 - Printing
  • 178 - Telegraphy