1457108

Information

• Patent Grant
• 1457108

• References
• Source

• Patent Number

  1,457,108

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1923
  102 years ago

• CPC

  • B42C7/004 - Rounding the back of covers

• US Classifications

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