2154084

Information

• Patent Grant
• 2154084

• References
• Source

• Patent Number

  2,154,084

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1939
  85 years ago

• CPC

  • B65D5/22 - held erect by extensions of one or more sides being doubled-over to enclose extensions of adjacent sides
  • B65D5/2095 - a part of the folded-up portions defining an inwardly folded ledge at the edges of the central panel

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes