3907094

Information

• Patent Grant
• 3907094

• References
• Source

• Patent Number

  3,907,094

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • B41J33/516 - using a reversing-feeler responsive to the tension of the ribbon
  • B41J33/48 - comprising two pawls and ratchets, one for each spool

• US Classifications

  • 400 - Typewriting machines