2227213

Information

• Patent Grant
• 2227213

• References
• Source

• Patent Number

  2,227,213

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1940
  84 years ago

• CPC

  • B42C13/00 - Bookbinding presses Joint-creasing equipment for bookbinding Drying or setting devices for books
  • B26F1/02 - Perforating by punching
  • B42C9/0043 - manually

• US Classifications

  • 412 - Bookbinding: process and apparatus