3599539

Information

• Patent Grant
• 3599539

• References
• Source

• Patent Number

  3,599,539

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1971
  53 years ago

• CPC

  • B31B29/00 - Machinery characterised by making envelopes or bags with structural provision at the base for thickness or contents
  • B65D31/00 - Bags or like containers made of paper and having structural provision for thickness of contents
  • B31B2221/20 - the bags having structural provision at the base for thickness of content
  • B31B2221/402 - the bags having their openings facing in the direction of movement
  • Y10S493/933 - having multilayer wall

• US Classifications

  • 493 - Manufacturing container or tube from paper