1575978

Information

• Patent Grant
• 1575978

• References
• Source

• Patent Number

  1,575,978

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1926
  98 years ago

• CPC

  • B42D1/002 - Back of leaves or signatures prepared for binding
  • B42C5/04 - by notching or roughening
  • B42C9/0006 - by applying adhesive to a stack of sheets
  • B42C11/045 - Folding end sheets, attaching end sheets to book blocks

• US Classifications

  • 281 - Books, strips, and leaves