3339827

Information

• Patent Grant
• 3339827

• References
• Source

• Patent Number

  3,339,827

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1967
  57 years ago

• CPC

  • B42D5/025 - Mailer assemblies
  • B65D27/18 - using heat-activatable adhesive

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes
  • 462 - Books, strips, and leaves for manifolding