3663054

Information

• Patent Grant
• 3663054

• References
• Source

• Patent Number

  3,663,054

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • E21D9/117 - mounted for orientating or sideways shifting relative to the frame

• US Classifications

  • 299 - Mining or in situ disintegration of hard material