1667354

Information

• Patent Grant
• 1667354

• References
• Source

• Patent Number

  1,667,354

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1928
  97 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
  • Y10T24/498 - Elements form single aperture [e.g., split shank type]

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes
  • 024 - Buckles, buttons, clasps, etc.