3490572

Information

• Patent Grant
• 3490572

• References
• Source

• Patent Number

  3,490,572

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • B41J19/36 - Driving mechanism
  • B41J19/62 - for back spacing

• US Classifications

  • 400 - Typewriting machines