1836909

Information

• Patent Grant
• 1836909

• References
• Source

• Patent Number

  1,836,909

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1931
  93 years ago

• CPC

  • B31B3/00 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs
  • Y10S493/906 - having multilayer wall

• US Classifications

  • 493 - Manufacturing container or tube from paper