2800969

Information

• Patent Grant
• 2800969

• References
• Source

• Patent Number

  2,800,969

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1957
  67 years ago

• CPC

  • E21C29/26 - with means for adjustably positioning the machine on the truck

• US Classifications

  • 180 - Motor vehicles
  • 091 - Motors: expansible chamber type
  • 299 - Mining or in situ disintegration of hard material