2803933

Information

• Patent Grant
• 2803933

• References
• Source

• Patent Number

  2,803,933

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1957
  67 years ago

• CPC

  • B31B1/76 - Opening or distending flattened articles
  • B65B23/04 - Erecting egg trays or cartons from collapsed blanks
  • B31B2201/28 - Opening or distending flattened boxes
  • B31B2203/003 - Making collapsible boxes Making boxes being in a collapsed condition at least during some of the manufacturing steps
  • B31B2203/103 - Making multi-compartment boxes
  • B31B2241/002 - Making egg cartons

• US Classifications

  • 053 - Package making
  • 493 - Manufacturing container or tube from paper