2171525

Information

• Patent Grant
• 2171525

• References
• Source

• Patent Number

  2,171,525

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1939
  85 years ago

• CPC

  • B02C19/0031 - by means of an open top rotor

• US Classifications

  • 241 - Solid material comminution or disintegration