2921749

Information

• Patent Grant
• 2921749

• References
• Source

• Patent Number

  2,921,749

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1960
  65 years ago

• CPC

  • B02C2/10 - concentrically moved Bell crushers
  • B02C18/141 - with axial flow
  • D21D1/22 - Jordans

• US Classifications

  • 241 - Solid material comminution or disintegration