1986778

Information

• Patent Grant
• 1986778

• References
• Source

• Patent Number

  1,986,778

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1935
  90 years ago

• CPC

  • B03B5/74 - Revolving tables
  • B03B5/62 - by hydraulic classifiers

• US Classifications

  • 209 - Classifying, separating, and assorting solids