3481525

Information

• Patent Grant
• 3481525

• References
• Source

• Patent Number

  3,481,525

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1969
  55 years ago

• CPC

  • B65D5/26 - with extensions of opposite sides mutually interlocking to lie against other sides
  • B65D5/302 - combined with a slot provided in an adjacent side wall
  • Y10S229/90 - including means to facilitate handling by a mechanical apparatus during manufacturing or filling

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes