3232669

Information

• Patent Grant
• 3232669

• References
• Source

• Patent Number

  3,232,669

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1966
  59 years ago

• CPC

  • E01C23/0926 - with power-driven tools

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 175 - Boring or penetrating the earth