2152400

Information

• Patent Grant
• 2152400

• References
• Source

• Patent Number

  2,152,400

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1939
  85 years ago

• CPC

  • B65D3/263 - and having an attached or applied tearing or reinforcing element

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes