1399891

Information

• Patent Grant
• 1399891

• References
• Source

• Patent Number

  1,399,891

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1921
  103 years ago

• CPC

  • D21B1/025 - Separating pith from fibrous vegetable materials

• US Classifications

  • 241 - Solid material comminution or disintegration
  • 209 - Classifying, separating, and assorting solids