3803992

Information

• Patent Grant
• 3803992

• References
• Source

• Patent Number

  3,803,992

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1974
  50 years ago

• CPC

  • B31B1/36 - by continuously feeding same to stationary members
  • B31B1/72 - by applying or securing strips or sheets
  • B31B2201/2637 - by continuously feeding same to stationary members
  • B31B2201/6086 - for uniting meeting edges of collapsed boxes
  • B31B2203/003 - Making collapsible boxes Making boxes being in a collapsed condition at least during some of the manufacturing steps
  • B31B2203/082 - Making boxes from tubular webs or blanks, including tube or bottom forming operations

• US Classifications

  • 493 - Manufacturing container or tube from paper