2551555

Information

• Patent Grant
• 2551555

• References
• Source

• Patent Number

  2,551,555

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1951
  73 years ago

• CPC

  • B42D1/002 - Back of leaves or signatures prepared for binding

• US Classifications

  • 281 - Books, strips, and leaves