2431697

Information

• Patent Grant
• 2431697

• References
• Source

• Patent Number

  2,431,697

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1947
  77 years ago

• CPC

  • B65D3/04 - essentially cylindrical
  • B31B2217/0007 - Making collapsible boxes Making boxes being in a collapsed condition at least during some of the manufacturing steps

• US Classifications

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