3631769

Information

• Patent Grant
• 3631769

• References
• Source

• Patent Number

  3,631,769

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1972
  52 years ago

• CPC

  • B65B43/10 - by folding the material
  • B31B1/48 - by folding or tucking-in locking flaps
  • B31B2201/2666 - involving interconnecting side walls
  • B31B2201/6091 - by folding or tucking-in locking flaps

• US Classifications

  • 493 - Manufacturing container or tube from paper