3842978

Information

• Patent Grant
• 3842978

• References
• Source

• Patent Number

  3,842,978

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1974
  50 years ago

• CPC

  • B07B4/08 - while the mixtures are supported by sieves, screens, or like mechanical elements
  • B03B4/005 - the currents being pulsating
  • B03B4/02 - using swinging or shaking tables

• US Classifications

  • 209 - Classifying, separating, and assorting solids