1336944

Information

• Patent Grant
• 1336944

• References
• Source

• Patent Number

  1,336,944

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1920
  104 years ago

• CPC

  • B42C7/007 - Reinforcing corners of covers

• US Classifications

  • 412 - Bookbinding: process and apparatus
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 223 - Apparel apparatus
  • 493 - Manufacturing container or tube from paper