3733980

Information

• Patent Grant
• 3733980

• References
• Source

• Patent Number

  3,733,980

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  51 years ago

• CPC

  • B31B1/82 - Attaching windows
  • B31B1/44 - by plungers moving through folding dies
  • B31B3/00 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs
  • B31B2201/2654 - by plungers moving through folding dies
  • B31B2201/27 - Straightening the side walls of boxes, squaring collapsed folded box blanks, deforming boxes
  • B31B2201/9076 - Forming or attaching windows

• US Classifications

  • 493 - Manufacturing container or tube from paper