2821121

Information

• Patent Grant
• 2821121

• References
• Source

• Patent Number

  2,821,121

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1958
  67 years ago

• CPC

  • B31B49/00 - Machinery, accessories or processes not provided for in B31B1/00 - B31B47/00
  • B31B1/00 - Box, carton, envelope or bag making machinery characterised by performing specific operations
  • B31B2219/2609 - around mandrels

• US Classifications

  • 493 - Manufacturing container or tube from paper