3809410

Information

• Patent Grant
• 3809410

• References
• Source

• Patent Number

  3,809,410

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • B41L1/326 - Severance lines; Perforations
  • G06K19/04 - characterised by the shape

• US Classifications

  • 281 - Books, strips, and leaves
  • 493 - Manufacturing container or tube from paper