3721382

Information

• Patent Grant
• 3721382

• References
• Source

• Patent Number

  3,721,382

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • B65D5/4608 - Handgrip holes
  • B65D85/675 - wound in helical form

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes
  • 206 - Special receptacle or package