1833702

Information

• Patent Grant
• 1833702

• References
• Source

• Patent Number

  1,833,702

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1931
  93 years ago

• CPC

  • B42C7/007 - Reinforcing corners of covers

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 412 - Bookbinding: process and apparatus