3703190

Information

• Patent Grant
• 3703190

• References
• Source

• Patent Number

  3,703,190

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1972
  52 years ago

• CPC

  • E21B17/01 - Risers
  • Y10T24/1418 - Self-locking [dead center or snap action]
  • Y10T24/1451 - Plural separable parts
  • Y10T24/1471 - Pivoted parts
  • Y10T137/7036 - Jacketed

• US Classifications

  • 137 - Fluid handling
  • 024 - Buckles, buttons, clasps, etc.
  • 138 - Pipes and tubular conduits
  • 166 - Wells