3853262

Information

• Patent Grant
• 3853262

• References
• Source

• Patent Number

  3,853,262

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1974
  50 years ago

• CPC

  • B65D27/32 - Opening devices incorporated during envelope manufacture

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes
  • 383 - Flexible bags