3133479

Information

• Patent Grant
• 3133479

• References
• Source

• Patent Number

  3,133,479

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1964
  60 years ago

• CPC

  • B31B1/00 - Box, carton, envelope or bag making machinery characterised by performing specific operations
  • B31B2219/28 - Opening or distending bags
  • B31B2219/603 - by applying heat or pressure
  • B31B2219/921 - singly or in succession

• US Classifications

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