3768381

Information

• Patent Grant
• 3768381

• References
• Source

• Patent Number

  3,768,381

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1973
  51 years ago

• CPC

  • B31B1/06 - from stacks
  • B31B1/50 - by interengaging tongues and slots
  • B31B3/00 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs
  • B31B2201/0264 - from stacks
  • B31B2201/2666 - involving interconnecting side walls
  • B31B2201/6095 - and interengaging tongues and slots

• US Classifications

  • 493 - Manufacturing container or tube from paper