2670139

Information

• Patent Grant
• 2670139

• References
• Source

• Patent Number

  2,670,139

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1954
  70 years ago

• CPC

  • B02C17/1855 - with separator defining termination of crushing zone
  • B02C17/04 - with unperforated container
  • B02C17/1845 - with return of oversize material to crushing zone

• US Classifications

  • 241 - Solid material comminution or disintegration