2881914

Information

• Patent Grant
• 2881914

• References
• Source

• Patent Number

  2,881,914

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1959
  66 years ago

• CPC

  • B65D71/22 - Openings or windows formed in the side walls
  • B65D71/243 - extending from the side walls
  • B65D2571/00141 - glued
  • B65D2571/00283 - Openings in at least a side wall
  • B65D2571/0066 - formed from one single sheet
  • B65D2571/00716 - tubular without end walls

• US Classifications

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