1997718

Information

• Patent Grant
• 1997718

• References
• Source

• Patent Number

  1,997,718

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1935
  89 years ago

• CPC

  • B31B17/00 - Machinery characterised by making other boxes or cartons by assembling several separate sheets, blanks, or webs
  • B31B2217/086 - Making boxes by uniting two U-shaped blanks

• US Classifications

  • 493 - Manufacturing container or tube from paper