3633816

Information

• Patent Grant
• 3633816

• References
• Source

• Patent Number

  3,633,816

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1972
  53 years ago

• CPC

  • B65D27/10 - Chains of interconnected envelopes
  • Y10S493/917 - Envelope

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes
  • 493 - Manufacturing container or tube from paper