3712533

Information

• Patent Grant
• 3712533

• References
• Source

• Patent Number

  3,712,533

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1973
  52 years ago

• CPC

  • B65D5/54 - Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing
  • B65D5/46184 - formed by extensions of parts of the blank, serving also as a partition in the container

• US Classifications

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