2438509

Information

• Patent Grant
• 2438509

• References
• Source

• Patent Number

  2,438,509

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1948
  76 years ago

• CPC

  • B31B15/00 - Machinery characterised by making covered or externally-reinforced boxes or cartons
  • B31B2201/267 - by reciprocating or oscillating members
  • B31B2217/0023 - Making covered or externally-reinforced boxes
  • B31B2217/003 - Applying wrapping material only on the side wall part of a box
  • B31B2217/066 - Making boxes of polygonal cross section
  • B31B2217/084 - Making boxes having all side walls attached to the bottom

• US Classifications

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