2222657

Information

• Patent Grant
• 2222657

• References
• Source

• Patent Number

  2,222,657

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1940
  84 years ago

• CPC

  • A24F1/00 - Tobacco pipes
  • A24F2700/04 - Pipes filled with absorbant materials, pipes with devices filtering the smoke

• US Classifications

  • 131 - Tobacco