2258392

Information

• Patent Grant
• 2258392

• References
• Source

• Patent Number

  2,258,392

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1941
  84 years ago

• CPC

  • B02C15/045 - pressed against the interior of a ring rotating in a vertical plane

• US Classifications

  • 241 - Solid material comminution or disintegration