1091811

Information

• Patent Grant
• 1091811

• References
• Source

• Patent Number

  1,091,811

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1914
  110 years ago

• CPC

  • B31B21/00 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from sheets or blanks
  • Y10S493/922 - having liner

• US Classifications

  • 493 - Manufacturing container or tube from paper