2891713

Information

• Patent Grant
• 2891713

• References
• Source

• Patent Number

  2,891,713

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1959
  64 years ago

• CPC

  • B65D3/265 - and having an attached or applied tearing or reinforcing element
  • B65D75/5844 - the portion of the wall being a narrow strip

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes