3081111

Information

• Patent Grant
• 3081111

• References
• Source

• Patent Number

  3,081,111

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1963
  61 years ago

• CPC

  • B42D5/001 - perforated or punched sheets
  • B41L1/22 - made up of single sheets or forms

• US Classifications

  • 462 - Books, strips, and leaves for manifolding
  • 281 - Books, strips, and leaves