3900068

Information

• Patent Grant
• 3900068

• References
• Source

• Patent Number

  3,900,068

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1975
  49 years ago

• CPC

  • E21B49/081 - with down-hole means for trapping a fluid sample
  • E21B34/125 - with time delay systems
  • E21B49/001 - specially adapted for underwater installations

• US Classifications

  • 166 - Wells