3610389

Information

• Patent Grant
• 3610389

• References
• Source

• Patent Number

  3,610,389

• Date Filed

  Not available

• Date Issued

  Tuesday, October 5, 1971
  53 years ago

• CPC

  • B41J25/02 - Key actions for specified purposes
  • B41J7/90 - Syllable, line, or like type selection
  • H04L13/16 - of transmitters

• US Classifications

  • 400 - Typewriting machines