2816491

Information

• Patent Grant
• 2816491

• References
• Source

• Patent Number

  2,816,491

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1957
  67 years ago

• CPC

  • B31B1/00 - Box, carton, envelope or bag making machinery characterised by performing specific operations
  • B31B2201/2654 - by plungers moving through folding dies
  • B31B2201/267 - by reciprocating or oscillating members
  • B31B2217/0023 - Making covered or externally-reinforced boxes
  • 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