3866694

Information

• Patent Grant
• 3866694

• References
• Source

• Patent Number

  3,866,694

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1975
  50 years ago

• CPC

  • B25D9/12 - comprising a built-in liquid motor
  • E21C3/04 - Hammer drilling machines in which the tool is hit by an impulse member
  • Y10S173/04 - Liquid operated

• US Classifications

  • 173 - Tool driving or impacting