3847372

Information

• Patent Grant
• 3847372

• References
• Source

• Patent Number

  3,847,372

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • E21B21/106 - Valve arrangements outside the borehole
  • E21B2034/002 - Ball valves
  • Y10T137/6103 - Cam type
  • Y10T137/87981 - Common actuator

• US Classifications

  • 251 - Valves and valve actuation
  • 137 - Fluid handling
  • 175 - Boring or penetrating the earth