3581976

Information

• Patent Grant
• 3581976

• References
• Source

• Patent Number

  3,581,976

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1971
  53 years ago

• CPC

  • B65D5/6652 - Flaps or tabs provided at the side edges of the lid only

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes