3318377

Information

• Patent Grant
• 3318377

• References
• Source

• Patent Number

  3,318,377

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1967
  57 years ago

• CPC

  • E21B33/037 - Protective housing therefor
  • E21B33/035 - specially adapted for underwater installations
  • E21B33/0375 - Corrosion protection means

• US Classifications

  • 166 - Wells