2273858

Information

• Patent Grant
• 2273858

• References
• Source

• Patent Number

  2,273,858

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1942
  82 years ago

• CPC

  • A24F1/06 - inside the pipe
  • A24F1/16 - with zigzag or like passages for the smoke

• US Classifications

  • 131 - Tobacco