2106511

Information

• Patent Grant
• 2106511

• References
• Source

• Patent Number

  2,106,511

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1938
  86 years ago

• CPC

  • B42D1/002 - Back of leaves or signatures prepared for binding
  • B42D1/06 - in which the fillings and covers are united by other means
  • B42D3/00 - Book covers

• US Classifications

  • 281 - Books, strips, and leaves