3792646

Information

• Patent Grant
• 3792646

• References
• Source

• Patent Number

  3,792,646

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1974
  50 years ago

• CPC

  • B31B1/06 - from stacks
  • B31B1/48 - by folding or tucking-in locking flaps
  • B31B3/00 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs
  • B65D5/2033 - polygonal having more than four sides
  • B65D5/247 - and being maintained in erected condition by integral mechanical locking means formed on, or coacting with, the gusset folds
  • B31B2201/0264 - from stacks
  • B31B2201/2666 - involving interconnecting side walls
  • B31B2201/6091 - by folding or tucking-in locking flaps

• US Classifications

  • 493 - Manufacturing container or tube from paper