3083729

Information

• Patent Grant
• 3083729

• References
• Source

• Patent Number

  3,083,729

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1963
  61 years ago

• CPC

  • E21B33/064 - specially adapted for underwater well heads
  • E21B33/0355 - Control systems
  • E21B33/0375 - Corrosion protection means
  • Y10T137/8671 - With annular passage [e.g., spool]

• US Classifications

  • 137 - Fluid handling