1631146

Information

• Patent Grant
• 1631146

• References
• Source

• Patent Number

  1,631,146

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1927
  97 years ago

• CPC

  • B31B49/00 - Machinery, accessories or processes not provided for in B31B1/00 - B31B47/00
  • B31B1/00 - Box, carton, envelope or bag making machinery characterised by performing specific operations
  • B31B2221/05 - the bags having multilayered walls
  • B31B2221/10 - the bags having no structural provision at the base for thickness of content
  • Y10S493/922 - having liner

• US Classifications

  • 493 - Manufacturing container or tube from paper