2778496

Information

• Patent Grant
• 2778496

• References
• Source

• Patent Number

  2,778,496

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1957
  67 years ago

• CPC

  • B03B5/10 - on jigs
  • B03B9/005 - specially adapted for coal

• US Classifications

  • 209 - Classifying, separating, and assorting solids