3854586

Information

• Patent Grant
• 3854586

• References
• Source

• Patent Number

  3,854,586

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1974
  49 years ago

• CPC

  • A24B1/04 - Sifting, sorting, cleaning or removing impurities from tobacco
  • B03B13/02 - using optical effects
  • B07C5/342 - according to optical properties
  • B07C5/366 - during free fall of the articles

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 131 - Tobacco
  • 356 - Optics: measuring and testing