3799389

Information

• Patent Grant
• 3799389

• References
• Source

• Patent Number

  3,799,389

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • B65D17/20 - Tearing-strips or -wires

• US Classifications

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