3443681

Information

• Patent Grant
• 3443681

• References
• Source

• Patent Number

  3,443,681

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1969
  56 years ago

• CPC

  • B65D71/20 - Slits or openings along the fold line of the tubular body
  • B65D2571/0016 - by tabs protruding from one end and co-operating with openings at the other end
  • B65D2571/00277 - Slits or openings formed along a fold line
  • B65D2571/0066 - formed from one single sheet
  • B65D2571/00716 - tubular without end walls
  • B65D2571/00895 - for stacking one upon the other
  • Y10S206/821 - Stacking member

• US Classifications

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