3608816

Information

• Patent Grant
• 3608816

• References
• Source

• Patent Number

  3,608,816

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1971
  53 years ago

• CPC

  • B41M5/10 - by using carbon paper or the like
  • B42D5/025 - Mailer assemblies
  • B65D27/36 - Finger openings, slots, or gripping tabs

• US Classifications

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