2319371

Information

• Patent Grant
• 2319371

• References
• Source

• Patent Number

  2,319,371

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1943
  81 years ago

• CPC

  • B65D5/3671 - the sides being connected to extensions of other sides by tongue-and-slot connections

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes