3131857

Information

• Patent Grant
• 3131857

• References
• Source

• Patent Number

  3,131,857

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1964
  60 years ago

• CPC

  • B41K3/36 - with means for deforming or punching the copy matter

• US Classifications

  • 234 - Selective cutting
  • 101 - Printing
  • 400 - Typewriting machines