3395759

Information

• Patent Grant
• 3395759

• References
• Source

• Patent Number

  3,395,759

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1968
  56 years ago

• CPC

  • E21B37/04 - operated by fluid pressure
  • E21B23/10 - Tools specially adapted therefor
  • E21B37/045 - Free-piston scrapers

• US Classifications

  • 166 - Wells
  • 015 - Brushing, scrubbing, and general cleaning