3357152

Information

• Patent Grant
• 3357152

• References
• Source

• Patent Number

  3,357,152

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1967
  57 years ago

• CPC

  • B31B19/20 - Cutting sheets or blanks
  • B31B37/00 - Machinery characterised by making envelopes or bags with structural provision at the base for thickness of contents from webs
  • B31B41/00 - Machinery characterised by making envelopes or bags of other specific form or construction
  • B65D33/00 - Details of, or accessories for, sacks or bags
  • B31B2219/147 - Cutting sheets
  • B31B2237/20 - the bags having structural provision at the base for thickness of content
  • B31B2237/60 - starting from tubular webs
  • B31B2241/00 - Making bags or boxes intended for a specific use

• US Classifications

  • 053 - Package making
  • 383 - Flexible bags
  • 493 - Manufacturing container or tube from paper