2803174

Information

• Patent Grant
• 2803174

• References
• Source

• Patent Number

  2,803,174

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1957
  67 years ago

• CPC

  • B31B7/00 - Machinery characterised by making lined or internally-reinforced boxes or cartons
  • B31B2217/0069 - involving forming of the liner before inserting

• US Classifications

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