2520320

Information

• Patent Grant
• 2520320

• References
• Source

• Patent Number

  2,520,320

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1950
  74 years ago

• CPC

  • E21C47/10 - for quarrying stone, sand, gravel, or clay
  • B28C1/02 - for producing or processing clay suspensions

• US Classifications

  • 241 - Solid material comminution or disintegration
  • 209 - Classifying, separating, and assorting solids
  • 299 - Mining or in situ disintegration of hard material