3302859

Information

• Patent Grant
• 3302859

• References
• Source

• Patent Number

  3,302,859

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1967
  57 years ago

• CPC

  • B31B19/68 - by stitching, stapling or riveting
  • B29C53/48 - for articles of indefinite length
  • B65D33/01 - Ventilation or drainage of bags
  • B29C2793/0045 - Perforating
  • B29L2031/7128 - Bags, sacks, sachets
  • B31B2219/6084 - by stitching, stapling, or riveting
  • B31B2219/924 - the bags being interconnected
  • B31B2237/403 - the bags having their openings facing in the direction of movement

• US Classifications

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