3502159

Information

• Patent Grant
• 3502159

• References
• Source

• Patent Number

  3,502,159

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1970
  54 years ago

• CPC

  • E02D13/04 - Guide devices Guide frames
  • E02B17/027 - steel structures
  • E02D13/06 - for observation while placing
  • Y10S173/01 - Operable submerged in liquid

• US Classifications

  • 173 - Tool driving or impacting
  • 175 - Boring or penetrating the earth
  • 405 - Hydraulic and earth engineering