3371844

Information

• Patent Grant
• 3371844

• References
• Source

• Patent Number

  3,371,844

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1968
  56 years ago

• CPC

  • B65D5/0281 - the tubular body presenting double or multiple walls
  • B65D5/0218 - with end closures having an axially movable end wall; the end wall and body being interconnected by foldable panel-elements
  • B65D5/3621 - collapsed along two fold lines of the tubular body

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes