3386643

Information

• Patent Grant
• 3386643

• References
• Source

• Patent Number

  3,386,643

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1968
  56 years ago

• CPC

  • B65D71/20 - Slits or openings along the fold line of the tubular body
  • B21D51/2646 - Of particular non cylindrical shape
  • B65D71/34 - characterised by weakened lines or other opening devices
  • B65D2571/00197 - by tabs cut within one end and facing laterally or diagonally and co-operting 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
  • B65D2571/00864 - Lines of weakness for separating into subgroups
  • B65D2571/0087 - Special features for machine processing

• US Classifications

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