3873159

Information

• Patent Grant
• 3873159

• References
• Source

• Patent Number

  3,873,159

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  50 years ago

• CPC

  • E21C35/20 - General features of equipment for removal of chippings
  • E21C29/26 - with means for adjustably positioning the machine on the truck

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 173 - Tool driving or impacting