29438

Information

• Patent Grant
• 29438

• References
• Source

• Patent Number

  29,438

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1860
  164 years ago

• CPC

  • C22B11/10 - by amalgamating
  • Y10S165/047 - for cooling

• US Classifications

  • 209 - Classifying, separating, and assorting solids