3439800

Information

• Patent Grant
• 3439800

• References
• Source

• Patent Number

  3,439,800

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  55 years ago

• CPC

  • B07B1/28 - Moving screens not otherwise provided for
  • Y10T74/18064 - Head motions
  • Y10T74/2154 - Counterbalanced

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 073 - Measuring and testing
  • 074 - Machine element or mechanism