3675661

Information

• Patent Grant
• 3675661

• References
• Source

• Patent Number

  3,675,661

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1972
  53 years ago

• CPC

  • A24F1/08 - inside the stem
  • Y10T403/4697 - Utilizing internal rod structure

• US Classifications

  • 131 - Tobacco
  • 285 - Pipe joints or couplings
  • 403 - Joints and connections