2684235

Information

• Patent Grant
• 2684235

• References
• Source

• Patent Number

  2,684,235

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1954
  70 years ago

• CPC

  • E21C27/128 - with breaking-down members functioning on the slitting level

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 180 - Motor vehicles