3802326

Information

• Patent Grant
• 3802326

• References
• Source

• Patent Number

  3,802,326

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  50 years ago

• CPC

  • B31B41/00 - Machinery characterised by making envelopes or bags of other specific form or construction
  • B65D85/548 - formed by folding or interconnecting of two or more blanks
  • B31B2241/008 - Making suction cleaner bags

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 412 - Bookbinding: process and apparatus