3646857

Information

• Patent Grant
• 3646857

• References
• Source

• Patent Number

  3,646,857

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  53 years ago

• CPC

  • B31D5/0013 - the inserts having interengaged slotted panels
  • B31B11/00 - Machinery characterised by making boxes or cartons having partitions or like inserts not integral with walls
  • B31B2217/105 - Inserting partitions in boxes or cartons

• US Classifications

  • 493 - Manufacturing container or tube from paper