2665050

Information

• Patent Grant
• 2665050

• References
• Source

• Patent Number

  2,665,050

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1954
  71 years ago

• CPC

  • B65D5/28 - with extensions of sides permanently secured to adjacent sides, with sides permanently secured together by adhesive strips, or with sides held in place solely by rigidity of material
  • B65D5/2052 - characterised by integral closure-flaps
  • B65D5/443 - Integral reinforcements
  • B65D5/6635 - the lid-halves being held in closed position by flaps or tabs provided at their edge opposite to their hinge

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes