3665855

Information

• Patent Grant
• 3665855

• References
• Source

• Patent Number

  3,665,855

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1972
  52 years ago

• CPC

  • B41J33/518 - the reversing-feeler engaging buttons or the like secured to the ribbon near its end

• US Classifications

  • 101 - Printing
  • 400 - Typewriting machines