3011434

Information

• Patent Grant
• 3011434

• References
• Source

• Patent Number

  3,011,434

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1961
  63 years ago

• CPC

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

• US Classifications

  • 101 - Printing
  • 242 - Winding, tensioning, or guiding
  • 400 - Typewriting machines