1581969

Information

• Patent Grant
• 1581969

• References
• Source

• Patent Number

  1,581,969

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1926
  98 years ago

• CPC

  • B02C7/184 - with vertical axis

• US Classifications

  • 241 - Solid material comminution or disintegration