1557672

Information

• Patent Grant
• 1557672

• References
• Source

• Patent Number

  1,557,672

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1925
  99 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