3217551

Information

• Patent Grant
• 3217551

• References
• Source

• Patent Number

  3,217,551

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1965
  59 years ago

• CPC

  • B06B1/168 - Rotary pendulum vibrators
  • E21B7/24 - Drilling using vibrating or oscillating means
  • Y10T74/18344 - Unbalanced weights
  • Y10T74/18552 - Unbalanced weight

• US Classifications

  • 074 - Machine element or mechanism
  • 175 - Boring or penetrating the earth