2980227

Information

• Patent Grant
• 2980227

• References
• Source

• Patent Number

  2,980,227

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1961
  63 years ago

• CPC

  • H04L17/14 - with optical sensing means
  • B41J3/54 - with two or more sets of type or printing elements
  • H04L17/16 - Apparatus or circuits at the receiving end

• US Classifications

  • 400 - Typewriting machines
  • 101 - Printing