2476253

Information

• Patent Grant
• 2476253

• References
• Source

• Patent Number

  2,476,253

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1949
  75 years ago

• CPC

  • B65D5/301 - the tongue being a part of a lateral extension of a side wall
  • B65D5/2057 - Inter-engaging self-locking flaps

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes