3306306

Information

• Patent Grant
• 3306306

• References
• Source

• Patent Number

  3,306,306

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1967
  58 years ago

• CPC

  • A24C5/475 - adapted for composite filters

• US Classifications

  • 131 - Tobacco
  • 493 - Manufacturing container or tube from paper