3746244

Information

• Patent Grant
• 3746244

• References
• Source

• Patent Number

  3,746,244

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1973
  51 years ago

• CPC

  • B65D5/541 - the lines of weakness being provided in one or more closure flaps
  • B65D5/4279 - Joints, seams, leakproof joints or corners, special connections between panels
  • Y10S229/941 - Box having joint structure for preventing leakage

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes