2020898

Information

• Patent Grant
• 2020898

• References
• Source

• Patent Number

  2,020,898

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1935
  89 years ago

• CPC

  • A24F1/10 - inside the bowl
  • A24F1/20 - with absorbent linings
  • A24F1/22 - with arrangements for cooling by air

• US Classifications

  • 131 - Tobacco