2220677

Information

• Patent Grant
• 2220677

• References
• Source

• Patent Number

  2,220,677

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1940
  84 years ago

• CPC

  • B02C18/14 - within horizontal containers
  • B02C19/10 - Mills in which a friction block is towed along the surface of a cylindrical or annular member

• US Classifications

  • 241 - Solid material comminution or disintegration