3882774

Information

• Patent Grant
• 3882774

• References
• Source

• Patent Number

  3,882,774

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1975
  49 years ago

• CPC

  • B41J33/516 - using a reversing-feeler responsive to the tension of the ribbon

• US Classifications

  • 101 - Printing
  • 400 - Typewriting machines