3580481

Information

• Patent Grant
• 3580481

• References
• Source

• Patent Number

  3,580,481

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • B65D15/06 - with end walls made of metal
  • B65D17/20 - Tearing-strips or -wires

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes