2193730

Information

• Patent Grant
• 2193730

• References
• Source

• Patent Number

  2,193,730

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1940
  85 years ago

• CPC

  • C22B11/10 - by amalgamating
  • Y10S494/902 - involving the use of mercury

• US Classifications

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