3899212

Information

• Patent Grant
• 3899212

• References
• Source

• Patent Number

  3,899,212

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1975
  49 years ago

• CPC

  • E21C35/06 - Equipment for positioning the whole machine in relation to its substructure
  • E21D9/1086 - Drives or transmissions specially adapted therefor

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 173 - Tool driving or impacting
  • 212 - Traversing hoists
  • 414 - Material or article handling