142172

Information

• Patent Grant
• 142172

• References
• Source

• Patent Number

  142,172

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1873
  151 years ago

• CPC

  • B02C1/12 - Mills with non-rotating spiked members

• US Classifications

  • 241 - Solid material comminution or disintegration