3469688

Information

• Patent Grant
• 3469688

• References
• Source

• Patent Number

  3,469,688

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1969
  55 years ago

• CPC

  • B07B13/02 - Apparatus for grading using pockets for taking out particles from aggregates

• US Classifications

  • 209 - Classifying, separating, and assorting solids