3472237

Information

• Patent Grant
• 3472237

• References
• Source

• Patent Number

  3,472,237

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1969
  55 years ago

• CPC

  • A24B15/42 - by organic and inorganic substances
  • A24B15/22 - by application of electric or wave energy or particle radiation

• US Classifications

  • 131 - Tobacco