2312331

Information

• Patent Grant
• 2312331

• References
• Source

• Patent Number

  2,312,331

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1943
  82 years ago

• CPC

  • B42D5/028 - Form set holders; Articles combined therewith
  • B41L1/24 - Pads or books

• US Classifications

  • 462 - Books, strips, and leaves for manifolding