3357623

Information

• Patent Grant
• 3357623

• References
• Source

• Patent Number

  3,357,623

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1967
  57 years ago

• CPC

  • B65D3/28 - Other details of walls
  • B65D3/06 - essentially conical or frusto-conical
  • B65D25/2844 - Vertical

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes