3493928

Information

• Patent Grant
• 3493928

• References
• Source

• Patent Number

  3,493,928

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1970
  55 years ago

• CPC

  • H04L17/04 - with keyboard co-operating with code-bars
  • H03M11/22 - Static coding

• US Classifications

  • 714 - Error detection/correction and fault detection/recovery
  • 178 - Telegraphy
  • 341 - Coded data generation or conversion
  • 400 - Typewriting machines