2640642

Information

• Patent Grant
• 2640642

• References
• Source

• Patent Number

  2,640,642

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1953
  72 years ago

• CPC

  • B65D5/248 - and at least one side being extended and doubled-over to enclose the adjacent gusset flaps
  • B65D5/2009 - all formed by folding extensions of the side walls
  • B65D5/2095 - a part of the folded-up portions defining an inwardly folded ledge at the edges of the central panel
  • B65D5/3607 - formed by folding or erecting a single blank

• US Classifications

  • 206 - Special receptacle or package
  • 229 - Envelopes, wrappers, and paperboard boxes