3709425

Information

• Patent Grant
• 3709425

• References
• Source

• Patent Number

  3,709,425

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1973
  52 years ago

• CPC

  • B65D5/446 - Wooden reinforcements
  • B65D15/22 - of polygonal cross-section
  • Y10S229/918 - Corner construction

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes