3143200

Information

• Patent Grant
• 3143200

• References
• Source

• Patent Number

  3,143,200

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1964
  60 years ago

• CPC

  • B41J31/09 - Ink ribbons characterised by areas carrying media for obliteration or removal of typing errors

• US Classifications

  • 400 - Typewriting machines