1988500

Information

• Patent Grant
• 1988500

• References
• Source

• Patent Number

  1,988,500

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1935
  90 years ago

• CPC

  • C22B11/12 - Apparatus therefor

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 494 - Imperforate bowl: centrifugal separators