2348421

Information

• Patent Grant
• 2348421

• References
• Source

• Patent Number

  2,348,421

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1944
  81 years ago

• CPC

  • B42C5/00 - Preparing the edges or backs of leaves or signatures for binding
  • B42C5/02 - by rounding or backing
  • B42D1/002 - Back of leaves or signatures prepared for binding

• US Classifications

  • 281 - Books, strips, and leaves
  • 412 - Bookbinding: process and apparatus