3809304

Information

• Patent Grant
• 3809304

• References
• Source

• Patent Number

  3,809,304

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • B65D15/12 - with end walls made of paper
  • B65D3/04 - essentially cylindrical
  • Y02W30/807 - Packaging containers especially suited for or with means facilitating reusability

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes
  • 220 - Receptacles