3647263

Information

• Patent Grant
• 3647263

• References
• Source

• Patent Number

  3,647,263

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • E21D9/1093 - Devices for supporting, advancing or orientating the machine or the tool-carrier
  • E21D9/117 - mounted for orientating or sideways shifting relative to the frame

• US Classifications

  • 299 - Mining or in situ disintegration of hard material