3893561

Information

• Patent Grant
• 3893561

• References
• Source

• Patent Number

  3,893,561

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • B41J19/62 - for back spacing
  • B41J19/58 - Differential or variable-spacing arrangements

• US Classifications

  • 400 - Typewriting machines