3400798

Information

• Patent Grant
• 3400798

• References
• Source

• Patent Number

  3,400,798

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1968
  56 years ago

• CPC

  • B41J29/18 - Mechanisms for rendering the print visible to the operator

• US Classifications

  • 400 - Typewriting machines
  • 101 - Printing