1457635

Information

• Patent Grant
• 1457635

• References
• Source

• Patent Number

  1,457,635

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1923
  101 years ago

• CPC

  • C22B11/12 - Apparatus therefor

• US Classifications

  • 280 - Land vehicles
  • 209 - Classifying, separating, and assorting solids
  • 248 - Supports