2639649

Information

• Patent Grant
• 2639649

• References
• Source

• Patent Number

  2,639,649

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1953
  71 years ago

• CPC

  • B31B3/00 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs
  • B31B2201/6082 - Applying tape on the corners of set-up boxes (box staying)

• US Classifications

  • 493 - Manufacturing container or tube from paper