1858034

Information

• Patent Grant
• 1858034

• References
• Source

• Patent Number

  1,858,034

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1932
  92 years ago

• CPC

  • B42C11/045 - Folding end sheets, attaching end sheets to book blocks

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 412 - Bookbinding: process and apparatus