2111376

Information

• Patent Grant
• 2111376

• References
• Source

• Patent Number

  2,111,376

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1938
  87 years ago

• CPC

  • B65D5/6641 - and connected to one another in order to form an uninterrupted flange
  • B65D5/2052 - characterised by integral closure-flaps
  • 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
  • B65D5/4608 - Handgrip holes

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes