1920809

Information

• Patent Grant
• 1920809

• References
• Source

• Patent Number

  1,920,809

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1933
  91 years ago

• CPC

  • B31B17/00 - Machinery characterised by making other boxes or cartons by assembling several separate sheets, blanks, or webs
  • B31B2217/062 - Making conical or pyramidal boxes Making boxes of varying cross-section
  • B31B2217/101 - Making boxes having a cover
  • B31B2217/108 - Inserting necks in boxes, forming or applying shoulders
  • B31B2241/003 - Making cigarette boxes

• US Classifications

  • 493 - Manufacturing container or tube from paper