3400877

Information

• Patent Grant
• 3400877

• References
• Source

• Patent Number

  3,400,877

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1968
  56 years ago

• CPC

  • B31B1/50 - by interengaging tongues and slots
  • B65D5/2047 - trapezoidal
  • B65D5/302 - combined with a slot provided in an adjacent side wall
  • B31B2201/2666 - involving interconnecting side walls
  • B31B2201/283 - for setting-up boxes having their opening facing upwardly
  • B31B2201/295 - the boxes having their opening facing upwardly
  • B31B2201/6095 - and interengaging tongues and slots
  • B31B2203/003 - Making collapsible boxes Making boxes being in a collapsed condition at least during some of the manufacturing steps
  • Y10S229/90 - including means to facilitate handling by a mechanical apparatus during manufacturing or filling

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes